Hazmat Tech CDC Questions

Match each type of hazardous materials spill with a possible sampling technique by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 Collect a cross-section using a glass tube. Use a plastic scoop attached to the end of a sample pole. Lower a bomb sampler or weighted bottled sampler into the water. Use a small plastic or glass cup.

1-2-4-3

Match each portable tank container to a material it may carry. Sodium hydroxide Liquid helium Anhydrous ammonia Nonpressure tank container Pressure tank container Cryogenic tank container

1-3-2

Match each type of respiratory protective device with the correct information by dragging the item, on the left, to the corresponding blank on the right. Self-contained breathing apparatus Air line respirator Air purifying respirator Most air units provide approximately 60 minutes of duration Effectiveness of the filtering cartridge depends on the concentration of contaminants Provides an unlimited supply of breathing air

1-3-2

Match each type of strategic mode of operation with its definition by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 Attempts to limit the overall size of the incident while exposing responders to less risk Lets the incident run its course Aggressive leak, spill, and fire control objectives Defensive Offensive Nonintervention

1-3-2

Match each physical decontamination method with its description by dragging each item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 Absorption Adsorption Evaporation Washing Using materials to hold liquids. Flushing the material with soap and water. The adherence of a liquid or gas to a solid. Leaving materials alone to turn to vapor.

1-4-2-3

Responder Green is measuring an unknown atmosphere at a nuclear test facility. Recommend the proper order for monitoring a spill on the loading dock. 1234 Radiation 1234 Toxicity 1234 Oxygen deficiency/enrichment 1234 Flammability

1-4-3-2

You're at the scene of an MC-306/DOT-406 cargo tank truck overturn. The shell of the cargo tank is aluminum, and the tank is wheels-up. Rank the removal/transfer methods, starting with the best method and ending with the least desirable method. 123 Remove internal safety valve and siphon 123 Drill a hole 123 Drain via the vapor recovery lines

123

Match each type of protective clothing with the correct information by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 Does not provide protection in IDLH atmospheres Chemical, physical, and toxicological properties Allows firefighters to operate in a chemical or biological environment HazMat suit Traditional military chemical protective clothing J-FIRE suit

2-1-3

Match each type of respiratory protective device with its advantage by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 Light-weight, provides unlimited supply of air Does not restrict mobility; provides highest level of protection Once contaminant is known, removes airborne contaminants from air Self-contained breathing apparatus Air line respirator Air purifying respirator

2-1-3

Match each portable tank container to the material it may carry by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 Liquid nitrogen Liquid fertilizer Propane Nonpressure tank container High pressure tank container Cryogenic tank container

2-3-1

Match each "piece of equipment" with the type of sample it can be used to collect by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 A sample from a well A dry pile of a substance A slick substance on water A substance that is heavier than water Plastic scoop Loosely woven fiberglass Disposable polypropylene bailer Bomb sampler

2-3-1-4

Match each physical decontamination method with its description by dragging each item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 Chemical degradation Disinfection Solidification Sterilization Process used to kill pathogenic microrganisms, often using chemicals. Process of making a liquid a solid. Process of destroying microorganisms, often using steam. Altering the chemical structure of the material.

2-3-4-1

Responder DiMarino is wearing Level B non-encapsulating clothing, and must be decontaminated. The maximum, "worst case" decon procedure he could undergo involves nine steps. Below are five of those steps. Place them in the correct order. 12345 Remove SCBA 12345 Decontaminate the body 12345 Perform technical decontamination 12345 Perform medical evaluation 12345 Remove and isolate protective clothing

2-4-1-5-3

Place the steps for removing product from an MC-306/DOT-406 cargo tank through the loading/unloading lines in the correct order. 1234 Fit a 90-degree quick coupler to the discharge outlet. 1234 Drain product in loading/off-loading lines. 1234 Attach a recovery line. 1234 Open the internal (discharge) valve.

2134

Match each type of pressure relief device found on a pressurized cylinder with the correct information. 1 1 2 2 3 3 Pressure actuated metal, plastic, or carbon disc which releases the contents of the cylinder Non-reclosable, functions by melting at a prescribed temperature to allow the release of a product Spring operated, pressure activated Pressure relief valve Rupture disc Fusible plug

3-1-2

Match each tactical action option with its description by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 5 5 Isolation Identification Notification Confinement Containment incident level identification and public emergency information determine the appropriate size of the perimeter determine the product involved stopping or limiting the escape or to controlling the release in the original container diking, damming, diverting, and retaining the product

3-1-2-5-4

Match each team with its expected location during offensive operations at a HazMat incident by dragging each item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 Hot zone Warm zone Cold zone Resources team Backup team Entry team

3-2-1

Match the type of respiratory protection device with the information that should be considered when selecting respiratory protection at a HazMat incident by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 Only used in environments with sufficient oxygen present May restrict user's travel distance and mobility Level of stress and physical condition of user will affect duration of use Self-contained breathing apparatus Air line respirator Air purifying respirator

3-2-1

Match each term with its correct definition by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 Pyrophoric Inhibitor Catalyst Oxidation potential Speeds up or slows down a chemical reaction Prevents a chemical from polymerizing The ability of a substance to yield oxygen A substance that can ignite if it comes in contact with air

3-2-4-1

Match each type of monitoring equipment with the hazard it may be used to identify by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 Oxygen deficiency Radioactivity Toxic levels Flammability

3-2-4-1

Match the description to each of the methods used to isolate damaged piping systems by dragging each item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 Shuts down power and restricts access Completely covers the circumference of the pipe Used from outside the hazard area Closing upstream and downstream valves Block and blank Lockout/tagout

321

Match each type of CPC cooling system with its correct method of operation by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 Uses inserts that maintain a constant temperature of 59º Requires a refrigeration unit and pump Uses coolant packs Uses external lines for cooling and ventilation Air cooled suit Water cooled suit Ice cooled vest Phase change vest

4-2-3-1

Match each component on the air line respirator with its function by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 Delivers breathable air to the regulator Bypasses regulator and provides air directly to thefacepiece Contains a small reserve of compressed breathing air Protects the wearer's face

4-3-1-2

Match each type of monitoring equipment with the hazard it may be used to identify by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 Oxidation potential Toxic levels Radioactivity Flammability

4-3-2-1

Match each CPC selection factor with the appropriate informationby dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 5 5 Entry operations versus decon operations Physical and psychological stress Breakthrough time Chemical, physical, and toxicological properties Sharp or abrasive surfaces Product Capabilities of the garment Responder's needs Environment Response objectives

4-3-2-5-1

Match each type of radioactive source with its definition by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 Smallest, fastest, most penetrating and harmful, may burn skin and seriously damage organs Medium speed and size, may damage skin and organs by penetrating skin tissue Can be shielded with water or plastic; may be used to produce an explosion Largest, slowest, and least penetrating, can damage organs if inhaled or ingested Alpha Beta Gamma Neutron radiation

4213

Place the steps for donning an air line respirator in the correct order. 123456 Connect the air supply. 123456 Adjust the facepiece straps. 123456 Check the facepiece seal and exhalation valve. 123456 Don the facepiece. 123456 Inspect the unit. 123456 Don the harness.

5-4-6-3-1-2

Match each type of warfare agent with the correct information by dragging the item, on the left, to the corresponding blank on the right. 1 1 2 2 3 3 4 4 5 5 Can cause eye and respiratory irritation; may act as a poison if enough is absorbed in the bloodstream Can be fatal; difficult to detect since initial symptoms are common to other diseases Can cause eye and respiratory irritation, coughing, and delayed pulmonary edema Extremely fast-acting; may become a vapor hazard under high-temperature conditions Can cause asphyxiation in extreme cases Irritant Choking agent Vesicant Biological agent/toxin Nerve agent

53124

Match each design and construction feature of a radioactive materials container with the correct type of container. A Withstands normal transportation (non-accident) conditions Select your response. Type A packageType B package B Withstands accident transportation conditions Select your response. Type A packageType B package C Constructed of lead, steel, or concrete Select your response. Type A packageType B package D Constructed of cardboard, fiberboard, steel, or wood Select your response. Type A packageType B package E A fiberboard container within a container with special absorbent material

A,B,B,A,A

During product removal/transfer operations, vapor suppression should maintain a %LEL of no higher than: A. 10% B. 20% C. 25% D. 30%

A. 10%

The atmospheric condition that is NOT considered hazardous by OSHA's definition is: A. 20.8% oxygen content. B. 16.8% oxygen content. C. 19.4% oxygen content. D. 24.8% oxygen content.

A. 20.8% oxygen content.

A monitor reading of 0.5% is equivalent to: A. 5,000,000 ppb. B. 500,000 ppb. C. 50,000 ppb. D. 5,000 ppb.

A. 5,000,000 ppb.

Identify the TRUE statement about analyzing an unknown atmosphere. A. Accept that you may not be able to identify the specific material(s) involved. B. Test, in this order, toxicity, radiation, flammability, oxygen deficiency/enrichment. C. Test for oxygen deficiency/enrichment only in confined space releases. D. The procedure for analyzing an unknown in a confined space is the same as for an open-air release.

A. Accept that you may not be able to identify the specific material(s) involved.

The type of chlorine kit used to repair a leak caused by a broken valve on a 100 lb cylinder is the: A. Chlorine Kit A. B. Chlorine Kit B. C. Chlorine Kit C. D. any of the three kits can be used.

A. Chlorine Kit A.

Which THREE of the following are hazards associated with overpacking a damaged container? A. Damaged drums may be compromised. B. Overpacks may be damaged or compromised. C. Weakened drums may breach when overpacked. D. Drums that have deteriorated may need their contents offloaded.

A. Damaged drums may be compromised. C. Weakened drums may breach when overpacked. D. Drums that have deteriorated may need their contents offloaded.

Pails may be used to hold all of the following hazardous materials EXCEPT: A. Etiological agents B. Flammable solids C. Flammable or combustible liquids D. Poisons

A. Etiological agents

In the Incident Management System, the decontamination unit leader reports directly to the: A. HazMat Officer. B. Safety Officer. C. HazMat Safety Officer. D. Incident Commander.

A. HazMat Officer.

During mass decon operations, victims remove their clothing and bag personal belongings in the: A. Hot Zone. B. Warm Zone. C. Cool Zone. D. Cold Zone.

A. Hot Zone.

After completing an incident critique, you must write an After Action Report. Identify the true statement about the report. A. Include a description of the incident, lessons learned, and recommendations for improving the emergency response. B. Too much paperwork is counterproductive; save this information for the final incident report. C. The report is confidential and should only be reviewed by management. D. This is a chance to target responders who need additional training.

A. Include a description of the incident, lessons learned, and recommendations for improving the emergency response.

This highly protective, fully encapsulating CPC suit prevents the passage of hazardous gases, vapors, and particulates present in the air. This suit is designated as: A. Level A. B. Level B. C. Level C. D. Level D.

A. Level A.

Which THREE of the following are considerations when overpacking a damaged container? A. Mark and label the overpack container B. Plug or patch the overpack to cover any damage it has sustained C. Plug or patch the damaged drum before overpacking whenever feasible D. Ensure compatibility of the overpack container with the leaking substance

A. Mark and label the overpack container C. Plug or patch the damaged drum before overpacking whenever feasible D. Ensure compatibility of the overpack container with the leaking substance

Which NFPA standard establishes a minimum level of protection for emergency response personnel against vapor, liquid splash, and particulate environments during hazmat incidents? A. NFPA 1991, Standard on Vapor-Protective Ensembles for Hazardous Materials Emergencies B. NFPA 1992, Standard on Liquid Splash-Protective Ensembles and Clothing for Hazardous Materials Emergencies C. NFPA 1994, Standard on Protective Ensembles for First Responders to CBRN Terrorism Incidents D. OSHA Regulation 29 CFR 1910.132, Personal Protective Equipment

A. NFPA 1991, Standard on Vapor-Protective Ensembles for Hazardous Materials Emergencies

___________ is the expression of how people perceive chemical scents. A. Odor B. Color C. Solution D. Temperature

A. Odor

Which three of the following are factors that may influence the results of the sample and the safety of the technician? A. Oxygen concentrations B. Technician experience level C. Location of area to be monitored D. Proximity of the product within the area

A. Oxygen concentrations C. Location of area to be monitored D. Proximity of the product within the area

When preparing to decontaminate, pay special attention to contaminants that can affect: A. PPE and monitoring equipment. B. drinking water. C. the time allotted for decon. D. the space/time continuum.

A. PPE and monitoring equipment.

You've just responded to a train derailment with a fire. An unidentified number of tank cars carrying hazardous materials are reportedly involved in the incident. Initial air monitoring near the derailment using a PID and colorimetric detector tubes has confirmed the presence of organic and inorganic products of combustion and acid gases in relatively high concentrations. The Incident Commander wants the HazMat response team to conduct additional monitoring downwind of the site. Based on this information, the type of respiratory protection that should be used by the air monitoring team is: A. SCBA. B. SABA. C. air purifying respirator. D. none at all.

A. SCBA.

Which of the following are components of an Incident Action Plan? A. Site Safety Plan B. Medical Surveillance Plan C. Evacuation Plan D. PPE Selection and Decontamination E. Debrief Plan

A. Site Safety Plan B. Medical Surveillance Plan D. PPE Selection and Decontamination

________ describes the degree to which a corrosive ionizes in water. A. Strength B. Oxidizer C. Neutralizer D. Concentration

A. Strength

Chemical splash protective clothing does not provide total protection from gases or vapors and should not be used for protection against liquids that give off vapors known to be absorbed through the skin. A. True B. False

A. True

You have responded to a suspected leak of ethylene oxide at an outpatient surgical center. The IP for ethylene oxide is 10.56 eV. The PID used by your HazMat response team has a 10.6 eV bulb. Which of the following statements is correct? A. Your PID will ionize ethylene oxide. B. Your PID will not ionize ethylene oxide. C. Ethylene oxide cannot be monitored with a PID. D. A significant amount of contaminant is present.

A. Your PID will ionize ethylene oxide.

Identify TWO conditions that must exist for static electricity to act as an ignition source. A. a spark discharge must occur B. one or more objects must be linked to the ground by an earthing electrode C. grounding and bonding equipment must be in place D. there must be a way of accumulating a static charge build-up E. noncompatible combustible materials must be present

A. a spark discharge must occur D. there must be a way of accumulating a static charge build-up

Identify THREE physical decontamination methods: A. absorption B. disinfection C. dispersal D. vacuuming E. solidification

A. absorption C. dispersal D. vacuuming

Those who should be present at an incident critique include: A. all key personnel involved in the incident. B. an OSHA representative. C. an environmental lawyer. D. Incident Management section chiefs and others with good critical thinking skills.

A. all key personnel involved in the incident.

The drilled hole method to remove flammable product on cargo tanks can be used on: A. aluminum MC-306/DOT-406 cargo tanks. B. steel MC-306/DOT-406 cargo tanks. C. non-quenched and tempered steel MC-306/DOT-406 cargo tanks. D. quenched and tempered steel MC-306/DOT-406 cargo tanks.

A. aluminum MC-306/DOT-406 cargo tanks.

The optimal time to hold an incident debriefing is: A. as soon as the emergency phase of the operation is complete. B. immediately after the initiation of restoration and recovery. C. as soon as equipment and personal protective clothing have been decontaminated. D. immediately after the initial entry operation.

A. as soon as the emergency phase of the operation is complete.

The main role of the backup team at an incident is to: A. assist the entry team in the event of an emergency. B. assist with decon. C. communicate with the Safety Officer. D. determine the size of the hazard control zones.

A. assist the entry team in the event of an emergency.

Colorimetric detector tubes can be used to detect all of the following materials except: A. biological toxins. B. nerve agents. C. toxic industrial materials. D. blister agents (vesicants).

A. biological toxins.

The linking of two or more conductive objects by way of a conductor is called: A. bonding. B. continuity. C. grounding. D. your local emergency response plan.

A. bonding.

All of the following are characteristics of pressure tank cars EXCEPT: A. bottom unloading piping. B. protective housing around the manway. C. rounded ends. D. top loading.

A. bottom unloading piping.

Intermediate containers that are constructed of multiwall paper or other textiles are: A. bulk bags. B. polyethylene tanks. C. one ton plastic containers. D. cardboard boxes.

A. bulk bags.

After you have applied the correct leak control components from a chlorine emergency kit, what is the next step? A. check for leaks B. decontaminate the kit C. inspect the kit D. maintain the kit

A. check for leaks

The decontamination method that alters the chemical structure of a hazardous material is: A. chemical degradation. B. washing. C. dilution. D. physical degradation.

A. chemical degradation.

All communications in the ICS are routed through the: A. command post. B. safety officer. C. HazMat safety officer. D. liaison.

A. command post.

When you are evaluating risks, information that will help you in predicting the dispersion pattern is available from: A. computer models (e.g., CAMEO, ALOHA). B. the NIOSH Pocket Guide to Chemical Hazards. C. the Fire Protection Guide to Hazardous Materials. D. the Emergency Response Guidebook (ERG).

A. computer models (e.g., CAMEO, ALOHA).

A "permit-required" confined space meets one or more of a number of criteria. Identify FOUR of these criteria. A. contains a hazardous atmosphere B. contains material that can engulf a person C. is less than 1 foot in diameter D. has walls that slope to a narrow cross-section E. contains other recognized health or safety hazards F. contains lightning hazards

A. contains a hazardous atmosphere B. contains material that can engulf a person D. has walls that slope to a narrow cross-section E. contains other recognized health or safety hazards

Identify THREE types of damage to an MC-331 cargo tank truck that indicate the need for product off-loading. A. crack in the base of the metal B. gouge which does not cross a weld C. large-radius dent D. score which crosses a weld and cuts heat-affected metal E. street burn which crosses a weld F. small-radius dent accompanied by cracking

A. crack in the base of the metal D. score which crosses a weld and cuts heat-affected metal F. small-radius dent accompanied by cracking

If a container has a crack and is leaking, you would refer to the condition of the container as: A. damaged, product release. B. cracked, spill. C. damaged, leak. D. cracked, product release.

A. damaged, product release.

The decontamination method that normally uses water is: A. dilution. B. absorption. C. neutralization. D. solidification.

A. dilution.

Which of the following are indications of material degradation of protective clothing? A. discoloration B. swelling C. rips or tears D. deterioration E. unsealed buttonholes

A. discoloration B. swelling D. deterioration

In a confined space suddenly filling with a liquid or solid, an entrant may be in danger of: A. engulfment. B. entrapment. C. entrenchment. D. enclosure.

A. engulfment.

Two methods for determining the pressure in facility containers are: A. fixed pressure gauges/meters and attaching a portable pressure gauge. B. attaching a magnetic gauge and fixed pressure gauges/meters. C. attaching a portable pressure gauge and attaching a magnetic gauge. D. fixed pressure gauges/meters and attaching a rotary gauge.

A. fixed pressure gauges/meters and attaching a portable pressure gauge.

The term LC is used to denote the toxicity of: A. gases and vapors. B. liquids. C. compounds. D. solids.

A. gases and vapors.

Following decontamination, exposure records are required for all first responders who have been exposed or potentially exposed to hazardous materials, including: A. health information. B. equipment contamination. C. follow-up contact person. D. previous exposure information. E. incident results.

A. health information. B. equipment contamination. C. follow-up contact person.

CPC suits can be difficult to work in and can increase responder stress. Identify FOUR issues that are standard sources of additional stress associated with the use of CPC. A. heat stress B. skin irritation C. added weight D. reduced visibility E. reduced mobility F. reduced comfort

A. heat stress C. added weight D. reduced visibility E. reduced mobility

Use the results of a critique after a hazardous materials incident to: A. help your organization to improve. B. select your "team" for future incidents. C. identify responders to be "downsized" during the next round of budget cuts. D. learn what materials responders were exposed to during the incident.

A. help your organization to improve.

Identify TWO concerns to address when evaluating a pump for use in a removal/transfer operation. A. ignition source B. vibration C. delivery pressure D. chemical compatibility E. operating noise

A. ignition source D. chemical compatibility

Identify THREE protection factors associated with radiation. A. inverse square law B. exposure C. half-life D. time, distance, and shielding E. rad dose

A. inverse square law C. half-life D. time, distance, and shielding

Identify TWO safety considerations when plugging a leaking 55-gallon drum. The plug: A. is only intended as a temporary measure. B. must be able to withstand contact with the leaking material. C. must be constructed of foam or synthetic material. D. must not be compatible with the material of the drum. E. is intended as a permanent repair.

A. is only intended as a temporary measure. B. must be able to withstand contact with the leaking material.

A leaking carboy of hydrogen peroxide has become contaminated. Wearing proper protective clothing, responders place the carboy into an overpack drum and seal the drum. Next, the responders should: A. label the drum. B. wash the outside of the drum to remove possible contamination. C. locate the owner who will be responsible for proper disposal. D. run away.

A. label the drum.

If you need to analyze samples of a suspected biological agent you can use: A. laboratory analysis. B. photoionization detector (PID). C. electronic meters. D. colorimetric detector tubes.

A. laboratory analysis.

All of the following are good strategies for leading a productive incident critique EXCEPT: A. limiting discussion to statements of what went well during the incident. B. identifying action items for follow-up action. C. identifying successes and failures of your agency's performance at the incident. D. promoting teamwork among participants.

A. limiting discussion to statements of what went well during the incident.

MC-307/DOT-407 cargo tanks carrying alcohols and organic solvents often require the use of fire fighting foams (e.g., AFFF, AR-AFFF, FFFP) because of these products': A. low flash point. B. high flammability. C. tendency to ignite spontaneously. D. high reactivity.

A. low flash point.

Identify TWO ways to recognize a cryogenic cylinder. A. made of steel B. packaged in boxes C. removable open head D. small protective ring at the top

A. made of steel C. removable open head

Tools and equipment used during hazardous materials incidents should be: A. maintained and inspected according to the manufacturer's specifications and recommendations. B. disposed of once they are contaminated. C. decontaminated and stored in airtight containers. D. inspected once a month.

A. maintained and inspected according to the manufacturer's specifications and recommendations.

Identify THREE types of materials that can be transported in an MC-307/DOT-407. A. mild corrosives B. hydrogen C. anhydrous ammonia D. poison liquids E. toluene

A. mild corrosives D. poison liquids E. toluene

The length of time that a chemical agent remains as a liquid is referred to as: A. miscibility B. persistence C. vapor density D. auto-refrigeration

A. miscibility

When monitoring to identify an unknown liquid: A. monitor in order to classify the material according to its general hazard. B. monitoring equipment will always lead to the specific identification of the liquid. C. test first for toxicity. D. provide samples to the Safety Officer.

A. monitor in order to classify the material according to its general hazard.

When monitoring to identify an unknown liquid: A. monitor in order to classify the material according to its general hazard. B. select monitoring equipment that will lead to specific identification of the liquid. C. first test for toxicity. D. provide samples to the Safety Officer.

A. monitor in order to classify the material according to its general hazard.

Identify TWO methods used to predict areas of potential harm and the endangered area in order to evacuate properly. A. monitoring/mapping B. dispersion pattern prediction and mapping C. NFPA 472, Competencies for Hazardous Materials Responders D. NFA estimates process for determining outcomes E. IFSTA predictions model for hazardous materials

A. monitoring/mapping B. dispersion pattern prediction and mapping

Identify TWO warfare agents that may be detected using detection papers M8 or M9 and colorimetric tubes. A. nerve agents B. blister agents (vesicants) C. biological agents D. irritants E. blood agents

A. nerve agents B. blister agents (vesicants)

The cargo tank shown is a: A. nonpressure cargo tank (MC-306/DOT-406). B. low pressure cargo tank (MC-307/DOT-407). C. pressure cargo tank (MC-331). D. corrosive liquid cargo tank (MC-312/DOT-412). (SILVER TANK

A. nonpressure cargo tank (MC-306/DOT-406).

A train has just derailed on the tracks leading into town. You are called to assist at this incident. The responder on the radio indicated that sulfuric acid is leaking from one of the rail cars. The type of rail car that must be involved is a: A. nonpressure tank car. B. pressure tank car. C. pneumatically unloaded hopper car. D. high pressure tube car.

A. nonpressure tank car.

You are a member of the entry team that is entering the hot zone to apply a patch onto a leaking storage tank of hydrofluoric acid. The entry team is wearing Level A chemical vapor clothing. Suddenly, your supplied air respirator seems to be having problems, and you feel that you are not getting sufficient air flow. You immediately: A. notify fellow responders of the situation. B. get out of the hot zone and begin the decon process. C. switch to the emergency air supply cylinder. D. remove the SAR and find a new one.

A. notify fellow responders of the situation.

Identify THREE items likely to be covered in a site safety briefing. A. objectives of the entry operation B. location of the decontamination area C. proper protective equipment D. the Incident Commander's wish list E. a review of the possible response scenarios

A. objectives of the entry operation B. location of the decontamination area C. proper protective equipment

You respond to an incident involving an intermodal portable tank container being transported by a truck that has been involved in a rollover. Identify THREE methods that can be used to measure the amount of lading remaining in the tank. A. observing a frost line B. using a podolske device C. "sounding" the liquid level D. using a thermal imaging device E. using a dipstick through the manway

A. observing a frost line C. "sounding" the liquid level D. using a thermal imaging device

In a decon corridor, you are most likely to find a container with contaminated outer gloves: A. on the dirty side, near the dirty end. B. on the dirty side, near the clean end. C. on the clean side, near the dirty end. D. on the clean side, near the clean end.

A. on the dirty side, near the dirty end.

The facility tank on fire at this incident scene is a(n): A. open top floating roof tank. B. flat roof tank. C. cone roof tank. D. bolted vertical tank.

A. open top floating roof tank.

The process by which chemicals move through the fabric of a CPC suit is called: A. permeation. B. penetration. C. degradation. D. disintegration.

A. permeation.

Identify THREE reports or logs required for proper documentation of a hazardous materials incident. A. personnel exposure records B. personal protective equipment logs C. hot zone entry and exit logs D. restoration and recovery records E. right-to-know regulation records

A. personnel exposure records B. personal protective equipment logs C. hot zone entry and exit logs

When measuring toxicity, it is crucial that you know a material's ionization potential in order to use a: A. photoionization detector. B. flame ionization detector. C. colorimetric indicator tube. D. passive dosimeter.

A. photoionization detector.

Identify THREE factors that can affect the duration of the air supply from an SCBA. A. physical condition of the responder B. source of the air supply C. degree of physical exertion required D. condition of the respiratory equipment E. failure to open the cylinder valve fully

A. physical condition of the responder C. degree of physical exertion required D. condition of the respiratory equipment

A liquid pipeline can carry different products by using a device called a: A. pig. B. disc. C. divider. D. cap.

A. pig.

Based on standards established by the American Society of Mechanical Engineers (ASME), pipelines are most commonly constructed of: A. plastic or coated mill-wrapped steel. B. steel with fiberglass lining. C. plastic or duct tape-wrapped steel. D. large diameter copper tubing.

A. plastic or coated mill-wrapped steel.

The Incident Commander has decided to change the size of the danger zone to halt the spread of this methyl ethyl badstuff leak. As a Technician-level responder, you should consider all of the following tactical action options EXCEPT: A. plugging the hole in the drum. B. absorbing the spill. C. adsorbing the spill. D. overpacking the drum.

A. plugging the hole in the drum.

A safety briefing should be held: A. prior to attempting entry to an incident. B. during the debriefing of the incident. C. when a separate site safety plan is not included in the plan of action. D. as soon as the risk evaluation is complete.

A. prior to attempting entry to an incident.

When MC-307/DOT-407 cargo tanks must be unloaded, and there is too much damage to the loading/unloading lines, remove/transfer product by: A. removing valves above the liquid level and then pumping through a grounded downspout. B. using dome cover funnel assemblies. C. employing pressure transfer methods. D. removing valves below the level of the liquid and then pumping through a grounded downspout.

A. removing valves above the liquid level and then pumping through a grounded downspout.

All of the following are types of damage that a tank car or tank truck could incur EXCEPT for a: A. slit. B. crack. C. gouge. D. score.

A. slit.

The type of material that should ONLY be found in a Type B package is: A. spent nuclear fuel. B. radiopharmaceuticals. C. low level contaminated earth. D. americium.

A. spent nuclear fuel.

PPE use documentation should include: A. suit ID B. list of repairs C. results of testing D. replacement cost E. storage location

A. suit ID B. list of repairs C. results of testing

Identify THREE things to consider when positioning the exhaust hose of a vacuum truck. A. terrain B. ambient temperature C. ignition sources D. people E. tides and currents

A. terrain C. ignition sources D. people

Identify THREE ways to monitor for biological agents and toxins. A. test trips B. smart tickets C. electronic meters D. colorimetric tubes E. M8 or M9 detection papers F. DNA fluoroscopy G. there is no way to monitor for biological agents

A. test trips B. smart tickets F. DNA fluoroscopy

How you use monitoring instruments and the conclusions you draw depend on two conditions. Identify these TWO conditions. A. the phase of the response B. the monitoring order C. whether you are measuring for known or unknown materials D. the time of day E. the percent humidity

A. the phase of the response C. whether you are measuring for known or unknown materials

A tank truck carrying an unknown hazardous substance has overturned, and liquid is escaping from a bottom outlet valve. Results of monitoring attempts are shown to the right. Based on these findings, you conclude that: A. the unknown substance is flammable. B. the unknown substance is not flammable. C. there is insufficient oxygen present for the meter to function properly. D. the unknown substance is an oxidizer.

A. the unknown substance is flammable.

All of the following statements are TRUE about tote containers EXCEPT: A. they are filled from the bottom. B. they may be stacked with forklifts. C. they commonly contain flammable liquids and solids. D. they hold from 300 to 400 gallons.

A. they are filled from the bottom.

Geographic features that might block a low plume of poisonous vapors downwind might show up on a ____________ map. A. topographic B. process flow C. mind D. road

A. topographic

You're faced with a spill of a strong acid. Approximately 10 gallons of pH 1 nitric acid were accidentally dumped into a shallow concrete basin. Unfortunately, the industrial worker who caused the accident was no genius, and he made matters worse by trying to dilute the acid by applying water onto the spill. He is currently being treated at a local hospital. Initial responders attempted to continue the dilution process, but it has generated significant vapors, and the pH has only increased to 2. You should: A. try a different method, possibly neutralization. B. let the acid mixture dry on its own. C. keep diluting the spill. D. use a strong base to counteract the acidic pH.

A. try a different method, possibly neutralization.

Identify FOUR considerations when determining the amount of lading remaining in a damaged cargo tank. A. type of cargo tank B. whether the tank is single shelled or jacketed C. type of relief device on the tank D. position of the tank E. type of material in the tank F. thickness of the tank's shell

A. type of cargo tank B. whether the tank is single shelled or jacketed D. position of the tank E. type of material in the tank

Identify THREE pieces of information you should always be able to find on a pipeline marker. A. type of product B. type of monitoring system C. emergency telephone number D. name of owner/operator E. hazards of product F. time of shipments

A. type of product C. emergency telephone number D. name of owner/operator

To determine the amount of lading remaining in an MC-306/DOT-406: A. use a dipstick. B. refer to the rotary gauge. C. check the specification plate. D. take a reading with a pressure gauge.

A. use a dipstick.

The relative density of a vapor compared to air is the: A. vapor density B. physical state C. relative density D. specific gravity

A. vapor density

Critical factors in selecting the appropriate decon procedure is whether the HazMat is: A. water soluble. B. corrosive. C. flammable. D. water reactive.

A. water soluble. D. water reactive.

Identify THREE resources that can help Technician-level responders predict dispersion patterns. A. weather service B. computer models (e.g., CAMEO, ALOHA) C. NIOSH Pocket Guide to Chemical Hazards D. technical specialists E. Federal Hazardous Materials Association

A. weather service B. computer models (e.g., CAMEO, ALOHA) D. technical specialists

One advantage of using monitoring equipment at an incident is that: A. you can collect real-time data. B. you can calibrate the equipment after you arrive at the incident. C. instructions are provided with each piece of equipment. D. it displays the physical and chemical properties of the substance.

A. you can collect real-time data.

All of the following types of respiratory protection may be worn in an IDLH environment EXCEPT: SCBA. SABA. APR. SAR with escape bottle.

APR.

How long should people shower with water to remove contaminants? A. less than 1 minute B. 1 to 3 minutes C. 3 to 5 minutes D. greater than 5 minutes

B. 1 to 3 minutes

Removal/transfer operations should only be initiated if the %LEL is below: A. 5% B. 10% C. 20% D. 25%

B. 10%

If you find while analyzing an incident that the permissible exposure level in a resource is listed as ppm, but your monitors read in percentages, remember that 1% is equal to: A. 1,000 ppm. B. 10,000 ppm. C. 100,000 ppm. D. 1,000,000 ppm.

B. 10,000 ppm.

When collecting data about the materials involved in a HazMat incident, the MINIMUM number of resources to use is: A. 2 B. 3 C. 4 D. 5

B. 3

Approximately what amount of water pressure should be used to decontaminate people? A. less than 20 PSI B. 30 - 50 PSI C. 70 PSI D. 90 PSI

B. 30 - 50 PSI

At 250 feet, the intensity from the source of the radiation is 20 mrem/hr. If you move 500 feet from the source of the radiation, the intensity will be: A. 4 mrem/hr. B. 5 mrem/hr. C. 10 mrem/hr. D. 15 mrem/hr.

B. 5 mrem/hr.

Identify the TRUE statement about the difference between acute and chronic toxic effects. A. Acute effects are those related to target organs; chronic effects are related to signs and symptoms. B. Acute effects happen because of one exposure; chronic effects may be the result of one or many exposures. C. Acute effects are more severe than chronic effects. D. Acute effects can kill you; chronic effects can't.

B. Acute effects happen because of one exposure; chronic effects may be the result of one or many exposures.

If you respond to an incident involving an MC-306/DOT-406 carrying ethanol-blended gasoline, you'll need to suppress the fire using: A. AFFF. B. Class B foam - alcohol resistant concentrate. C. a direct water stream. D. an indirect water stream.

B. Class B foam - alcohol resistant concentrate.

You're responding to a HazMat incident. After a careful survey of the incident scene, you identify a number of low pressure tanks. The fixed storage tank closest to the burning shed is a: A. Horizontal tank. B. Covered top floating roof tank. C. Spherical tank. D. Geodesic dome tank.

B. Covered top floating roof tank.

This overturned tank truck missed a curve on this scenic highway and is now leaking hydrochloric acid. Tourists admire the view from 500 yards away at Scenic Overlook 7. Armed with the response objective change exposures contacted, identify TWO valid tactical action options. A. Move the truck off the scenic highway. B. Don personal protective clothing. C. Evacuate the tourists to the lodge 1,000 yards down the road. D. Patch the leak. E. Do not intervene.

B. Don personal protective clothing. C. Evacuate the tourists to the lodge 1,000 yards down the road.

If a product is lighter than air, where will you place your monitor in proximity to the ground? A. Lower to the ground B. Higher in the air

B. Higher in the air

This PPE suit is chemical splash protective but not chemical vapor protective. This suit would be designated as: A. Level A. B. Level B. C. Level C. D. Level D.

B. Level B.

If a product is heavier than air, where will you place your monitor in proximity to the ground? A. Higher in the air B. Lower to the ground

B. Lower to the ground

Identify TWO reasons why you should make sure reference manuals are current. A. There may be fewer typographical errors in newer manuals. B. Newer manuals may contain information on newer chemicals. C. Tactical recommendations may have been revised. D. Newer manuals may have better covers. E. Newer editions have better organized indexes.

B. Newer manuals may contain information on newer chemicals. C. Tactical recommendations may have been revised.

You have been called to assist in an incident involving acetic acid, which has an IP of 10.37 eV. Identify TWO instruments useful for monitoring this incident. A. carbon monoxide meter B. PID C. pH meter D. radiation detector E. Geiger-Mueller counter

B. PID C. pH meter

The cable company has accidentally severed a gas line while excavating in a large townhouse community. Your LERP requires evacuation for any positive readings for contaminants. Using the row numbers and the CGI reading for each, determine which rows of townhouses will have to be evacuated. A. Row 1, 0% of LEL B. Row 2, 2.7% of LEL C. Row 3, 40% of LEL D. Row 4, 12% of LEL

B. Row 2, 2.7% of LEL C. Row 3, 40% of LEL D. Row 4, 12% of LEL

________ is a process in which a substance passes directly from the solid state to the vapor state without passing through the liquid state. A. Viscosity B. Sublimation C. Boiling point D. Specific gravity

B. Sublimation

The packaging type and the type of material that could be carried in the package shown are: A. Type A/uranium-235 in nonpyrophoric form. B. Type A/radiopharmaceuticals used in medicine and research. C. Type B/high level spent fuel from a nuclear power plant. D. Type B/plutonium-239.

B. Type A/radiopharmaceuticals used in medicine and research.

In each situation below, it is important to use the standard chain of command EXCEPT if: A. you notice that a dike is difficult to maintain. B. a heavily damaged structure begins to collapse. C. an MC-338 is venting nitrogen through its pressure relief vents (safety vents). D. the two-way radio in your SCBA malfunctions.

B. a heavily damaged structure begins to collapse.

The __________ describe the human health effects from once-in-a-lifetime, or rare, exposure to airborne chemicals: A. threshold limit value - ceiling (TLC-C) B. acute exposure guideline levels (AEGLs) C. immediately dangerous to life or health (IDLH) D. threshold limit value - short term exposure limit (TLV-STEL)

B. acute exposure guideline levels (AEGLs)

Drills used to cut holes in aluminum shelled MC-306/DOT-406 cargo tanks are usually powered by: A. hand. B. air or water. C. electricity. D. vacuum pressure.

B. air or water.

On a cryogenic liquid tank car, loading and unloading fittings are located: A. on both sides of the car and at the top. B. at either end or in ground-level cabinets at diagonal corners of the car. C. at either end of the car or on the top. D. underneath the car or in ground-level cabinets at diagonal corners of the car.

B. at either end or in ground-level cabinets at diagonal corners of the car.

The _______ measures the radioactive strength of a source, but it does not describe the effects of radiation on tissue. A. gray (Gy) B. becquerel (Bq) C. radiation absorbed dose (rad) D. roentgen equivalent man (rem)

B. becquerel (Bq)

A decontamination method that allows collection and assessment of victims outdoors or indoors, but all other decon procedures to be conducted indoors should be used when the temperature is: A. less than 65°F. B. between 65°F and 35°F. C. less than 35°F. D. when wet decon is NOT an option.

B. between 65°F and 35°F.

The warfare agent often described as having the odor of peach blossoms or bitter almonds is a(n): A. biological agent or toxin. B. blood agent. C. irritant. D. vesicant.

B. blood agent.

Identify TWO pre-entry activities for a permit space. A. periodic atmospheric monitoring with the ventilation system engaged B. cleaning or flushing the confined space C. ventilating hazardous atmospheres D. bonding and grounding procedures E. conduct a debriefingB. cleaning or flushing the confined space C. ventilating hazardous atmospheres

B. cleaning or flushing the confined space C. ventilating hazardous atmospheres

Identify THREE operational requirements when using a vacuum truck to transfer cargo from a damaged MC-307/DOT-407 cargo tank: A. must be lined with Teflon B. contents must be chemically compatible with the product chemical C. %LEL must be at an acceptable level D. exhaust vent must be able to be located no more than five feet from the truck E. product vapors from vacuum truck must be exhausted away from the operation to an area free from hazards and personnel

B. contents must be chemically compatible with the product chemical C. %LEL must be at an acceptable level E. product vapors from vacuum truck must be exhausted away from the operation to an area free from hazards and personnel

In terms of radiation, activity is measured in: A. roentgens, milliroentgens, and milliroentgens per hour, and indicates the amount of ionization produced by a radioactive substance. B. curies, millicuries, and microcuries, and indicates how much radioactivity a sample contains. C. rads and rems, and indicates the amount or dose of radiation absorbed. D. Grays and Sieverts, and indicates the amount or dose of radiation absorbed.

B. curies, millicuries, and microcuries, and indicates how much radioactivity a sample contains.

Using the appropriate terminology, describe the condition of the container. A. dented, no leak B. damaged, no product release C. dented, no product release D. damaged, no leak

B. damaged, no product release

Chemical reactions between two or more materials that change the materials and produce heat are called: A. oxidation potential B. exothermic reactions C. chemical interactions D. endothermic reactions

B. exothermic reactions

To care for grounding and bonding cables used in product removal/transfer operations from cargo tanks: A. calibrate them annually. B. follow the manufacturer's cleaning and storage recommendations. C. periodically wash them in a mild hydrochloric acid solution. D. frequently test for resistance.

B. follow the manufacturer's cleaning and storage recommendations.

Halogenated hydrocarbons will eventually break into more harmful component parts if they are exposed to: A. water. B. high temperature. C. a benzene ring. D. positively charged ions

B. high temperature.

All of the following are effective debriefing elements EXCEPT for: A. allowing time for the Incident Commander to summarize his/her thoughts about the incident. B. holding a discussion of ways to improve the emergency response system. C. limiting the review to no more than 15 minutes. D. identifying the successes and failures of the HazMat team's efforts.

B. holding a discussion of ways to improve the emergency response system.

A cylindrical tank sitting on legs, blocks, content pads, or something similar, typically constructed of steel with flat ends is a: A. open top floating roof tank B. horizontal tank C. vapordome roof tank D. atmospheric underground storage tank

B. horizontal tank

Include all of the following in the after action report EXCEPT: A. a description of the incident. B. hot zone entry and exit logs. C. recommendations for improving the emergency response system. D. lessons learned from the incident.

B. hot zone entry and exit logs.

Identify THREE tasks that you must be able to perform as a hazardous materials Technician. A. transfer control of the emergency to the agency responsible for clean-up B. identify safe and effective tactical response objectives C. don, work in, and doff personal protective clothing D. command on-scene personnel E. use monitoring equipment to determine existing concentrations of known and unknown materials

B. identify safe and effective tactical response objectives C. don, work in, and doff personal protective clothing E. use monitoring equipment to determine existing concentrations of known and unknown materials

One important safety consideration for choosing power or hand tools for product removal/transfer operations is whether the tool: A. is a high-visibility color. B. is non-sparking. C. is corrosion-resistant. D. has high electrical impedance.

B. is non-sparking.

Cryogenic liquid tank cars are easily recognized by their: A. exposed fittings and lack of an enclosed manway. B. lack of exposed fittings and lack of an enclosed manway. C. exposed fittings and enclosed manway. D. enclosed manway and lack of exposed fittings.

B. lack of exposed fittings and lack of an enclosed manway.

Identify THREE limitations of an air line respirator. A. short duration of air supply B. limited hose length C. potential for hose damage D. reduced mobility E. limited duration of particulate filtering

B. limited hose length C. potential for hose damage D. reduced mobility

To determine the liquid level in an MC-331: A. check the specification plate. B. look at the internal pressure gauge. C. check the shipping papers.

B. look at the internal pressure gauge.

Firefighters are called to a shed fire at the local water treatment plant. While extinguishing the fire, they are overcome by a greenish-yellow gas with a pungent, irritating odor. Plant workers are standing in the distance watching. After speaking to one of them briefly, you verify that the shed is used to store chlorine gas. You have a copy of the Emergency Care for Hazardous Materials Exposure you can use to locate the target organs affected by chlorine. The correct procedure for finding the information in this guide is to: A. look through the Numerical Index to find the guideline number for chlorine. B. look up chlorine in the Alphabetical Index to find the guideline number. C. look for the guideline for non-flammable gases, since you know chlorine is one. D. look through the book until you find the guideline entitled "Chlorine and..."

B. look up chlorine in the Alphabetical Index to find the guideline number.

All of the following are critical emergencies for responders working in protective clothing EXCEPT: A. loss of air supply. B. loss of radio communication. C. buddy down. D. loss of suit integrity.

B. loss of radio communication.

The Incident Command System is: A. only necessary for large incidents. B. mandatory for all hazardous materials incidents. C. pre-defined in your local emergency response plan. D. another name for the command post approach.

B. mandatory for all hazardous materials incidents.

Responder Wave is measuring for radiation with a Geiger-Mueller counter. He has already determined a slight background radiation level. His next step should be to: A. put on full protective gear. B. measure for beta and gamma radiation with the detector shield open. C. measure for beta radiation with the detector shield closed. D. avoid the area; any level of radiation is too much radiation.

B. measure for beta and gamma radiation with the detector shield open.

To determine the amount of lading remaining in damaged bulk packaging or facility containers, you could use all of the following methods EXCEPT: A. measure with a liquid level gauge. B. measure with a fill level gauge. C. measure with a rotary gauge. D. measure with a magnetic gauge.

B. measure with a fill level gauge.

The ___________ is the temperature at which a solid becomes a liquid. A. boiling point B. melting point C. freezing point D. critical temperature

B. melting point

Cracks in the heat-affected zone of an MC-331 cargo tank are a sign of: A. moderate damage and equally critical in NQT and QT steel cargo tanks. B. metal fatigue and is critical in QT and NQT steel cargo tanks. C. too little internal pressure and more critical in QT than NQT steel cargo tanks. D. exposure to flame but not critical in either NQT or QT steel cargo tanks.

B. metal fatigue and is critical in QT and NQT steel cargo tanks.

All of the following steps should be carried out BEFORE using a monitoring instrument EXCEPT: A. test the meter's response. B. move the probe up and down to sample at various levels. C. check for battery power. D. calibrate the instrument.

B. move the probe up and down to sample at various levels.

All of the following statements are TRUE EXCEPT: A. irritants are sometimes used in riot control. B. nerve agents are chemical agents that cause skin lesions. C. vesicants are sometimes called blister agents. D. biological agents are living organisms or materials derived from them.

B. nerve agents are chemical agents that cause skin lesions.

The decontamination process that is commonly used to alter the pH of an acidic or caustic contaminant is: A. evaporation. B. neutralization. C. vacuuming. D. adsorption.

B. neutralization.

Hand tools used in product removal/transfer operations must be: A. stainless steel. B. non-sparking. C. electrically insulated. D. case-hardened.

B. non-sparking.

Include all of the following people in an incident debriefing EXCEPT: A. the HazMat response team. B. press representatives. C. IMS officers and supervisors. D. the Incident Commander.

B. press representatives.

Identify TWO specific hazards you'll ALWAYS face when dealing with MC-338 cargo tanks: A. flammability B. pressure C. chemical reactivity D. extreme temperatures E. toxicity

B. pressure D. extreme temperatures

Identify THREE resources that may provide information on decontamination. A. Department of the Interior B. product manufacturer C. DOT placard D. CHEMTREC E. poison control centers

B. product manufacturer D. CHEMTREC E. poison control centers

The function of the component on a nonpressure intermodal container shown (Gold thing with a gauge) is to: A. protect the pressure relief valve from the tank's contents. B. protect the tank from over-pressure and negative pressure vacuum. C. gauge the level of product in the tank. D. protect the shell of the tank from product spillage

B. protect the tank from over-pressure and negative pressure vacuum.

An estimate is a series of predictions that attempts to: A. provide a picture of the most unlikely scenario at a HazMat incident. B. provide an overall picture of potential outcomes of a HazMat incident. C. provide an overall picture of the information gathered in the analysis. D. provide a picture of what the HazMat involved can do to people.

B. provide an overall picture of potential outcomes of a HazMat incident.

While assisting at an incident involving an overturned leaking tank truck, one responder samples the leaking liquid with pH paper and identifies the pH as 2. From this you can conclude that the liquid is a: A. strong base. B. strong acid. C. high concentration of a strong base. D. high concentration of a strong acid.

B. strong acid.

Identify THREE ways to provide privacy in a mass decon corridor. A. decon aprons B. tarps between decon lanes C. a decon trailer D. a decon tent E. PPE

B. tarps between decon lanes C. a decon trailer D. a decon tent

The specific role of the HazMat Technician is spelled out by: A. 29 CFR 1910.120 and SARA Title III. B. the authority having jurisdiction. C. the Incident Management System. D. the Incident Command System.

B. the authority having jurisdiction.

You're on-scene where a worker has fallen 30 feet into a sewer system. Monitor readings suggest that the atmosphere in the sewer contains extremely high concentrations of sulfur dioxide (>2,500 ppm). The worker has been in there for over half an hour, and the IDLH of sulfur dioxide is 100 ppm. Your evaluation of this situation should conclude that: A. you should make every effort to bring the worker out alive. B. the worker is probably dead, and this is a body recovery operation. C. operations should be suspended pending contact with the EPA. D. rescue operations should be left to medical personnel.

B. the worker is probably dead, and this is a body recovery operation.

Circulate a critique report among everyone in the response system: A. at your own risk; you're inviting severe criticism. B. to allow everyone in the response system to share the lessons learned. C. to protect responders from legal liability. D. to verify that you held a critique.

B. to allow everyone in the response system to share the lessons learned.

When setting up a mass decon corridor, it should be located: A. downwind from the incident site. B. upwind from the incident site. C. crosswind from the incident site. D. located near the incident site, wind direction doesn't affect placement.

B. upwind from the incident site.

To determine the amount of lading remaining in a pressurized facility tank: A. use a dipstick. B. use a magnetic gauge. C. check the specification plate. D. look inside the tank.

B. use a magnetic gauge.

Decontamination should take place in the: A. cold zone. B. warm zone. C. hot zone. D. isolation perimeter.

B. warm zone.

Identify the cracked horizontal container that would benefit from a patch.

C.

Identify TWO ways a liquid pipeline can carry different products. A. send products at the same time and allow lighter products to flow to the top B. valves called "pigs" open and close between different product shipments C. "pigs" or separators are placed between shipments of different products D. products are allowed to co-mingle between shipments of different products E. valves are used to divide the different products sent through the pipeline

C. "pigs" or separators are placed between shipments of different products D. products are allowed to co-mingle between shipments of different products

The capacity of a nonpressure cargo tank (MC-306/DOT-406) is approximately: A. 3,000 - 6,000 gallons. B. 6,000 - 7,000 gallons. C. 2,000 - 10,000 gallons. D. 8,000 - 11,500 gallons.

C. 2,000 - 10,000 gallons.

During a HazMat incident, you should use at least _____ sources of data in order to make safe and conservative comparisons between data. A. 1 B. 2 C. 3 D. 4

C. 3

Identify one method you can use to estimate the outcomes within an endangered area. A. Determine the area of evacuation, describe the condition of the container, identify the type of damage that the container has incurred, monitor, and identify the fire and safety features that are present at the scene of the incident. B. Monitor and map concentrations for hazardous substances present at the scene of the incident, predict and model dispersion patterns for the spill, research exposure and chemical properties information, and contact field specialists. C. Break down the incident into three components: the product, container, and environment. For each component, consider the damage, hazard, and vulnerability/risks. Finally, consider the impact of a leak, spill, or fire.

C. Break down the incident into three components: the product, container, and environment. For each component, consider the damage, hazard, and vulnerability/risks. Finally, consider the impact of a leak, spill, or fire.

Which hazard category includes materials that are susceptible to ignition? A. Energy B. Toxicity C. Flammability D. Oxidizing E. Thermal

C. Flammability

Under NIMS-ICS, coordinating communication with outside agencies, such as the EPA and OSHA, would be a function of the: A. Incident Commander. B. Safety Officer. C. Liaison Officer. D. Public Information Officer.

C. Liaison Officer.

The ___________ is the highest temperature at which a hazardous material can be held without becoming volatile or unstable. A. Convection temperature B. Conduction temperature C. Maximum Safe Storage Temperature (MSST) D. Self-Accelerating Decomposition Temperature (SADT)

C. Maximum Safe Storage Temperature (MSST)

What kind of thermographic imaging device renders infrared radiation as visible light? A. Infrared thermometer B. Photoionization detector C. Thermal imager D. Scintillation detector

C. Thermal imager

You arrive at a scene where packages with the label shown are spread across the highway. Radiactive 5, 7 At 1 meter, the reading is 25 mrem/hr. What does the transportation index tell you about these package? A. These packages are intact; the situation is somewhat dangerous. B. These packages are intact; and it is safe to move forward. C. These packages have failed; this situation is dangerous. D. These packages have failed; but it is safe to move forward.

C. These packages have failed; this situation is dangerous.

When should inspection and acceptance testing of PPE first be performed? A. Before purchase B. Before use C. When received into inventory D. Inspection is not necessary

C. When received into inventory

All of the following are examples of atmospheric hazards EXCEPT: A. a space with a 2 ppm concentration of chlorine (PEL 1 ppm). B. a space with an oxygen concentration of 15%. C. a puddle of water approximately ½ inch deep and 4 feet in diameter. D. a space with a flammable gas reading of 15% of the LEL.

C. a puddle of water approximately ½ inch deep and 4 feet in diameter.

A loss of suit integrity in a vapor protective CPC suit refers to: A. a disruption of communications. B. a break in the air supply hose. C. a rip or tear in the CPC suit. D. the use of a correct CPC suit for a specific incident hazard.

C. a rip or tear in the CPC suit.

A fire protection system will impact the behavior of hazardous products and their containers by: A. providing early notification of potential problems, allowing the HazMat team to initiate control actions before the incident gets worse. B. reducing the danger to surrounding containers and the chance of tank failure by removing the released materials. C. applying fire extinguishing agents in the initial stages of an incident and cooling support structures and nearby containers. D. controlling the contaminated area and preventing boilover and the mixing of a material with other products.

C. applying fire extinguishing agents in the initial stages of an incident and cooling support structures and nearby containers.

A catalyst: A. only speeds up chemical reactions. B. only slows down chemical reactions. C. can either speed up or slow down chemical reactions. D. has no effect on chemical reactions.

C. can either speed up or slow down chemical reactions.

A vesicant is a(n): A. biological agent that causes respiratory distress and copious tearing. B. organophosphorus compound that causes disruption in the transmission of nerve impulses in the body. C. chemical that causes severe burns to the skin, eyes, and tissue in the respiratory tract. D. living organism or material derived from a living organism that can cause harm or disease in humans.

C. chemical that causes severe burns to the skin, eyes, and tissue in the respiratory tract.

Some products are allowed to ________________ as they travel one after another through the same liquid pipeline. A. coexist B. conjoin C. co-mingle D. intermingle

C. co-mingle

At HazMat incidents involving criminal or suspicious activity, care should be taken to: A. immediately remove any physical evidence found at the site. B. start decon when city officials OK it. C. collect and preserve any physical evidence. D. notify the DLA about the physical evidence.

C. collect and preserve any physical evidence.

All of the following can be used to transfer product from MC-331 and MC-338 cargo tanks EXCEPT: A. the product's own vapor pressure. B. a vapor compressor. C. compressed air or nitrogen. D. a vapor compressor with a liquid pump.

C. compressed air or nitrogen.

Two-way radios provide good communications most of the time, but they may not work in: A. very hot weather. B. broken terrain. C. confined spaces. D. rainstorms.

C. confined spaces.

While surveying a damaged container, you notice that the container has a narrow split or break in the metal that appears to go all the way through. You can tell the Incident Commander that the container has a: A. dent. B. score. C. crack. D. gouge.

C. crack.

Breaks in the CPC suit fabric created by contact with chemicals or physical abrasion are an example of: A. permeation. B. penetration. C. degradation. D. disintegration.

C. degradation.

When collecting a sample of an unknown hazardous material, follow all of the procedures below EXCEPT: A. collect samples from an upwind position. B. record the type of container and markings on the container. C. do not remove the sample from the hot zone. D. wear proper protective clothing.

C. do not remove the sample from the hot zone.

A key topic of an effective debriefing is: A. requirements for exposure logs. B. updating the emergency response plan. C. explaining health information. D. notifying agencies requiring a report on the incident.

C. explaining health information.

Identify the materials that could be stored in this tank. A. explosive B. gas C. flammable liquid D. combustible E. oxidizer F. poison G. radioactive (Giant fuel silo with stairs)

C. flammable liquid D. combustible

The ___________ is the temperature at which a liquid becomes a solid. A. boiling point B. melting point C. freezing point D. critical temperature

C. freezing point

Responders have stabilized a toluene spill and have released control of the scene to an environmental contractor, thus ending the emergency phase of the incident. The next step is to: A. start the incident critique. B. begin restoration and recovery. C. hold a debriefing. D. decontaminate equipment.

C. hold a debriefing.

The major drawback of pressure transfer operations in damaged MC-331 cargo tanks is that they: A. increase the temperature of the damaged container. B. increase the temperature of the undamaged receiving container. C. increase the pressure in the damaged container. D. decrease the pressure in the undamaged receiving container.

C. increase the pressure in the damaged container.

Displacement using a non-flammable gas is one procedure for: A. cleaning. B. ventilating. C. inerting. D. isolating.

C. inerting.

The LD value indicates the amount of a substance that will kill 50% of a test population through: A. ingestion, absorption, or inhalation of the substance. B. ingestion, absorption, contact, or inhalation of the substance. C. ingestion, absorption, or injection of the substance. D. ingestion and/or skin absorption of the substance.

C. ingestion, absorption, or injection of the substance.

All of the following could be miscible in water EXCEPT: A. ethyl alcohol. B. hydrogen peroxide. C. iron filings. D. skim milk.

C. iron filings.

Industrial packages are designed to transport radioactive materials with: A. extremely low levels of radioactivity and are packaged in fiberboard boxes, sturdy wooden boxes, or steel crates. B. higher concentrations of radioactivity and are packaged with an inner containment vessel surrounded by an outer container. C. low concentrations, that are considered to be a limited threat to the public, and are packaged in glass or concrete. D. low radioactivity such as natural uranium and rubble from nuclear reactors and are packaged in steel, wood, or fiberboard.

C. low concentrations, that are considered to be a limited threat to the public, and are packaged in glass or concrete.

All of the following are important safety considerations for plugging and patching drums EXCEPT: A. understanding the construction of the container. B. making sure that the plug/patch is compatible with the material in the drum. C. making sure the damaged container is clean and dry. D. knowing the remaining volume of material.

C. making sure the damaged container is clean and dry.

All CPC should be stored and maintained according to: A. Incident Commander's orders B. NFPA standards C. manufacturer's recommendations D. local policy

C. manufacturer's recommendations

Responders used this %LEL CGI at a gasoline spill to test for flammability, and the monitor was calibrated to pentane. Based on this meter reading, you can conclude: A. the LEL hasn't been reached; the environment is safe. B. the LEL has been reached; the environment is unsafe. C. no conclusions can be drawn without first checking the response curve. D. with an error range of 35%, the %LEL may be as high as 55%.

C. no conclusions can be drawn without first checking the response curve.

All of the following could be duties of both the "attendant" and the "entrant" during entry into a confined space EXCEPT: A. knowing the health hazards of exposure. B. knowing the possible behavioral effects of exposure. C. ordering evacuation and requesting rescue personnel. D. monitoring for atmospheric hazards.

C. ordering evacuation and requesting rescue personnel.

A material that might be held in a carboy is a(n): A. explosive B. gas C. oxidizer D. radioactive material

C. oxidizer

All of the following statements about pH meters are TRUE EXCEPT: A. pH meters may be affected by oils or other contaminants. B. pH meters must be calibrated before each use. C. pH meters must only be used when contaminants are known. D. pH meters may be affected by temperature.

C. pH meters must only be used when contaminants are known.

The comparison of densities, or __________ will help you determine whether a material will float or sink in another material. A. vapor density B. physical state C. relative density D. specific gravity

C. relative density

You've been called in to monitor an ongoing incident. You were told that earlier today responders neutralized a 150-gallon acid spill. Your pH paper, however, shows a reading of 10, and there is a large amount of liquid remaining on the ground. The most likely explanation is that: A. the pH paper is contaminated. B. you've been misinformed; the spill was really 150 gallons of a base. C. responders used too much neutralizing agent and ended up with a large caustic spill. D. the day you slept through chemistry class is coming back to haunt you.

C. responders used too much neutralizing agent and ended up with a large caustic spill.

All of the following statements about containing drum leaks are TRUE EXCEPT: A. tightening the bung by rotating it clockwise often stops a bung leak. B. nail punctures can frequently be stopped with a plug. C. smearing epoxy over a forklift puncture can seal the hole. D. a rubber gasket and sheet metal screw are good tools for stopping nail punctures.

C. smearing epoxy over a forklift puncture can seal the hole.

The physical property that could apply to a substance in both the solid and liquid states is: A. critical temperature. B. vapor pressure. C. specific gravity. D. expansion ratio.

C. specific gravity.

Which of the following is true of fixed facility pressure tanks? A. "dogging" type closures for manways or manholes B. store materials underground C. store materials above 15 psig (103 kPa) D. store materials between 0.5 and 15 psig (4 to 103 kPa)

C. store materials above 15 psig (103 kPa)

Responders measuring for oxygen at a below-grade chlorine release obtained the following result. From this, they can conclude: A. there is an acceptable level of oxygen. B. there is a significant flammability hazard. C. the meter response may be a false positive due to the presence of a strong oxidizer. D. none of the above; there's no need to monitor for oxygen at a below-grade release.

C. the meter response may be a false positive due to the presence of a strong oxidizer.

To CLOSE a valve on most pressurized systems: A. turn the valve left to close. B. turn the valve left to loosen. C. turn the valve right to close. D. turn the valve right to loosen.

C. turn the valve right to close.

Match each dose or exposure term with its description by dragging each letter, on the left, to the corresponding blank on the right. A A B B C C Incapacitating concentration Infectious dose Immediately dangerous to life or health (IDLH) The time that elapses between exposure and when signs and symptoms begin. The concentration of gas or smoke that will incapacitate 50% of the test animals within a given time of exposure. The amount of the agent, pathogen, or toxin required to cause a disease or illness.

CAB

The exposure limit that indicates an atmospheric concentration of any toxic, corrosive, or asphyxiant substance that poses an immediate threat to life, or would cause irreversible or delayed adverse health effects, or would interfere with an individual's ability to escape from a dangerous atmosphere is: A. PEL. B. TLV-TWA. C. TLV-STEL. D. IDLH.

D. IDLH.

After a serious explosion that destroyed a new home and injured the entire family, it is suspected that there may be a break in a main gas line. The LERP states that the evacuation area should include any area where a meter reading is obtained. Technician-level responders have spent the afternoon plotting CGI readings on a map provided by the builders. Look at the map and determine the areas that should be evacuated. A. Sample Point A B. Sample Points A and B C. Sample Points A, B, C, and E D. Sample Points A, B, C, D, and E

D. Sample Points A, B, C, D, and E

Which exposure limit indicates the maximum concentration for exposures at 15-minute intervals with 1-hour rest periods between? A. TL-V-C B. PEL C. IDLH D. TLV-STEL

D. TLV-STEL

During the decon procedure, responders should turn over jewelry worn into the hot zone: A. before showering. B. before entering medical evaluation. C. right after removing any inner gloves. D. This should not be an issue. Jewelry should be removed before entering the hot zone.

D. This should not be an issue. Jewelry should be removed before entering the hot zone.

To determine the amount of lading remaining in a damaged pressurized railroad tank car transporting anhydrous ammonia, use: A. the safety vent. B. a vapor pressure chart. C. the specification markings. D. a gauging device.

D. a gauging device.

Properly grounding and bonding the components involved in a cargo tank transfer operation may be necessary when transferring: A. flammable chemicals. B. pressurized chemicals. C. pressurized flammable chemicals. D. all product chemicals.

D. all product chemicals.

The TRUE statement about the toxic products of combustion is that: A. only the combustion products of inorganic materials are toxic. B. only volatile items can produce toxic products during combustion. C. only items burned in an uncontrolled setting can produce toxic effects. D. all products of combustion have some toxic effects.

D. all products of combustion have some toxic effects.

A blind is used in the isolation procedure called: A. line breaking. B. blockout/blankout. C. disconnecting. D. blanking.

D. blanking.

Cargo tank product removal and transfer operations are most often performed by: A. hazardous materials Technicians. B. EPA quick response teams. C. special operations FEMA agents. D. cargo tank specialists.

D. cargo tank specialists.

The entry team at an incident at the local pool has come back with readings of 10 ppm for chlorine. As the Safety Officer, you are responsible for determining the extent of physical, safety, and health hazards and for reporting the hazards to the Incident Commander. You can accurately evaluate the risks by: A. finding exposure limits, symptoms, target organ effects, explosive/flammability limits, flash point, reactivity, solubility, and conversion factors. B. checking the NIOSH Pocket Guide and Emergency Care for Hazardous Materials Exposure to find and compare IDLH, exposure limits, and symptoms. C. contacting CHEMTREC and requesting information on IDLH and exposure limits and comparing this information against the readings taken at the scene. D. checking at least three resources to find exposure limits, symptoms, target organ effects, etc., and comparing the readings to the information in the resources.

D. checking at least three resources to find exposure limits, symptoms, target organ effects, etc., and comparing the readings to the information in the resources.

The procedure to shut down a pipeline is to: A. close any loose or open valves and fittings; then check the pre-incident plan. B. close any loose or open valves and fittings; then call the pipeline owner. C. check the pre-incident plan; then close any loose or open valves and fittings. D. contact the owner and follow the instructions given by pipeline personnel.

D. contact the owner and follow the instructions given by pipeline personnel.

The radioactivity measurement that represents the number of atoms in a given amount of radioactive material that are detected to have decayed in one minute is: A. roentgen (R) B. millicurie (mCi) C. microcurie (µCi) D. counts per minute (cpm) or kilocounts per minute (kcpm)

D. counts per minute (cpm) or kilocounts per minute (kcpm)

The type of cargo tank designed with a tank inside a tank is a: A. corrosive liquid cargo tank (MC-312/DOT-412). B. low pressure cargo tank (MC-307/DOT-407). C. pressure cargo tank (MC-331). D. cryogenic liquid cargo tank (MC-338).

D. cryogenic liquid cargo tank (MC-338).

Use an incident critique for all of the following EXCEPT: A. promoting teamwork. B. identifying successes and failures of your agency's performance at an incident. C. further developing safe operating procedures. D. defending actions taken during the incident.

D. defending actions taken during the incident.

Monitoring equipment can be used at an incident for all of the following purposes EXCEPT to: A. determine the size and location of hazard control zones. B. develop protective action recommendations and corridors. C. determine the appropriate levels of personal protective clothing and equipment. D. determine how many people have been exposed and contaminated.

D. determine how many people have been exposed and contaminated.

The comparison of changes within an organism per amount, intensity, or duration of exposure to a stressor over time is called the: A. toxic level B. lethal dose C. lethal concentration D. dose-response relationship

D. dose-response relationship

Chemical reactions in which a substance absorbs heat energy are called: A. oxidation potential B. exothermic reactions C. chemical interactions D. endothermic reactions

D. endothermic reactions

Hospital patients were evacuated from a hospital. HazMat responders had been sent to investigate a report of a sour, vinegar-like odor. During their search, they found a drum of photographic fluid containing acetic acid had overflowed in the X ray department. Using the NIOSH Pocket Guide, identify the patient's and worker's body's systems for which signs and symptoms of exposure at the hospital should be examined. You may want to learn the abbreviations in Table 5 of the NIOSH Pocket Guide. A. eyes, central nervous system, cardiovascular system B. respiratory system, skin, kidneys C. respiratory system, kidneys, central nervous system D. eyes, skin, respiratory system

D. eyes, skin, respiratory system

Who is responsible for providing technical information assistance using a variety of reference sources, including facility representatives, technical references, and computer databases? A. medical officer. B. safety officer. C. safe refuge officer. D. information and research officer.

D. information and research officer.

To place a leaking 55-gallon drum into an overpack drum using the slide-in method: A. lay the leaking drum on its side, place rollers underneath the drum, and roll the leaking drum and overpack drum together at converging angles. B. lay the leaking drum on its side, place rollers underneath the overpack drum, and roll the overpack drum over the leaking drum. C. place the overpack drum over the leaking drum, place rollers beneath it, and roll or slide it into a waiting truck or railroad tank car. D. lay the leaking drum on its side, place rollers underneath the drum, and hold the overpack drum still as you roll the leaking drum into it.

D. lay the leaking drum on its side, place rollers underneath the drum, and hold the overpack drum still as you roll the leaking drum into it.

To use the dome cover clamp, start by: A. removing the dome cover gasket. B. engaging the arms of the dome cover clamp behind the dome cover gasket. C. tightening the tensioning screw as much as possible. D. making sure the tensioning screw is backed all the way off.

D. making sure the tensioning screw is backed all the way off.

The ___________ is the theoretical minimum concentration of odor necessary for detection in some specified percentage of the population. A. color B. solution C. temperature D. odor threshold

D. odor threshold

You have been called to the site of an overturned railroad tank car leaking potassium hydroxide. Your task is to determine the corrosivity of the spill. The best monitoring equipment for the job is a: A. colorimetric indicator tube. B. flame ionization detector. C. potassium hydroxide monitor. D. pH meter.

D. pH meter.

Your team is asked to control a leak in a gouged 55-gallon drum. The most appropriate tactical option is to: A. change the size of the gouge. B. remove the stressor. C. overpack the container. D. patch the gouge.

D. patch the gouge.

If an employer determines that a confined space is "permit-required" and employees will enter the space, the employer must develop and implement a written: A. pre-entry testing procedure. B. employee training program. C. monitoring procedure. D. permit space program.

D. permit space program.

On a cryogenic liquid rail car, all of the information about pressure relief devices is true EXCEPT: A. the pressure relief valve recloses when the tank pressure is reduced below the pressure relief valve setting. B. once the safety vent is ruptured, it does not reset or reseal. C. a safety vent spaced between the tank and the outer jacket has the same flow capability as the inner tank relief valve. D. pressure-actuated fusible plugs are used to protect the vacuum space between the inner and outer tanks.

D. pressure-actuated fusible plugs are used to protect the vacuum space between the inner and outer tanks.

When collecting and preserving legal evidence at a hazardous materials incident involving criminal or terrorist activity, it is important to follow: A. the guidelines set out by OSHA and the National Fire Academy. B. the procedures set forth in NFPA 1072. C. whatever advice CHEMTREC provides to you. D. the chain-of-custody, as outlined in the LERP or SOPs.

D. the chain-of-custody, as outlined in the LERP or SOPs.

You have been called in to monitor at an anhydrous ammonia leak at the Civil Engineering building. Using detector tubes from two separate manufacturers, you obtain the following results. You can conclude that: A. at least one of the detector tubes was used past its expiration date. B. there is an additional contaminant other than ammonia present. C. too much humidity may be interfering with the results; measure for this next. D. the difference in color may be due to each manufacturer using a different reagent mix.

D. the difference in color may be due to each manufacturer using a different reagent mix.

Inspect and maintain the tools you use for controlling releases in pressurized systems according to the procedures provided by: A. your supervisor. B. the Compressed Gas Institute. C. NIOSH. D. the manufacturer of the tools.

D. the manufacturer of the tools.

All of the following factors may contribute to a confined space being designated as "permit-required" EXCEPT: A. a hazardous atmosphere is known to be present. B. a material that can engulf a person is in the space. C. walls on the tank slope to a narrow cross-section. D. the space is less than 1 foot in diameter.

D. the space is less than 1 foot in diameter.

A chemical compatibility chart is used by responders to determine: A. potential interactions between chemicals at an incident. B. the appropriate substances to utilize to counteract chemical spills. C. the nature of any hazard that a specific chemical presents to responders. D. the specific types of chemicals against which a CPC suit is designed to protect the wearer.

D. the specific types of chemicals against which a CPC suit is designed to protect the wearer.

The best way to make a decon area's entry point easiest to find at night is to: A. issue each responder a personal flashlight. B. use glow-in-the-dark cones at the entrance. C. use flares and/or small fires at the entrance. D. use portable lighting to light the entire corridor.

D. use portable lighting to light the entire corridor.

All of the following are important in determining the liquid level in an MC-338 tank EXCEPT: A. observing the frostline. B. checking with the driver. C. looking at the built-in pressure gauge. D. using a dipstick.

D. using a dipstick.

Replace missing plugs in pressurized systems with a: A. wooden wedge. B. chemical-resistant putty. C. drive-in metal drift pin. D. valve/plug assembly.

D. valve/plug assembly.

Evaluating the status of control functions during a HazMat response is important so that: A. any procedural mistakes are noted for future reference. B. you can learn from each HazMat incident. C. the control function can be continued indefinitely. D. you can modify your response to changing conditions and varying success.

D. you can modify your response to changing conditions and varying success.

The specific role of the HazMat Technician is spelled out in: A. 29 CFR 1910.120 and SARA Title III. B. the National Incident Management System. C. the Incident Command System. D. your local emergency response plan.

D. your local emergency response plan.

Match each exposure limit with its description by dragging each letter, on the left, to the corresponding blank on the right. A A B B C C D D E E Permissible exposure limit (PEL) Threshold limit value ceiling (TLV-C) Immediately dangerous to life or health (IDLH) Threshold limit value time-weighted average (TLV-TWA) Threshold limit value short-term exposure limit (TLV-STEL) An exposure limit that represents the maximum concentration for exposures 8 hrs/day, 40 hrs/week The maximum concentration for exposures at 15-minute intervals with 1-hour rest periods between The maximum level which a healthy adult can be exposed without risk of injury An exposure limit that represents a level above which exposures should not occur Atmospheric concentration of any toxic, corrosive, or asphyxiant substance that poses an immediate threat to life

DEBAC

Match each hazard category with its description by dragging each letter, on the left, to the corresponding blank on the right. A A B B C C D D E E Energy Toxicity Biological Oxidizing Corrosivity Materials that readily yield to oxygen to promote or initiate combustion Materials capable of causing damage or gradually eroding or destroying a material Materials that have properties of being poisonous Materials that have a propensity to undergo change either on their own or in contact with other materials Living organisms or materials derived from them that can cause harm or disease

DEBAC

Which hazard category relates to working in a thermal environment, such as hypothermia, hyperthermia, and burns? A. Energy B. Toxicity C. Flammability D. Oxidizing E. Thermal

E. Thermal

Entry personnel going through the decon process should help the decon team members by removing PPE by themselves. A. True B. False

False

Match each radioactive material package with its correct type.

Type A is metal/good secure packaging. B is cardboard and wood.

Match each label component with its description. Vertical bars Contents Activity Transportation Index

Vertical bars Contents Activity Transportation Index VCAT

Any time responders are to enter an IDLH atmosphere, they should work in teams of two or more with a minimum of two equally trained and equipped personnel outside the IDLH atmosphere ready to affect rescue of other emergency responders. This is known as a: buddy system. backup system. communication system. air management system.

buddy system.

All valves on the MC-331 must be labeled to indicate whether it will control liquid or vapor. A. True B. False

true