HAZWOPER training

In general, which portion of the population is exposed to chemicals at a higher rate than normal?

Workers

who is responsible for communicating the hazard?

employers

who is responsible for ensuring all containers of hazardous chemicals are labeled, safety data sheets are maintained for all hazardous chemicals, and workers are trained on HCS program elements?

employers

what is the mechanism for warning the user than an air purifying respirator is approaching the end of its ability to provide protection

end of service life indicator ESLI

how often is it recommended that workers drink water?

every 15 minutes

what are the two types of falls?

falls from the same level and an elevated level

OSHA does not allow the combining of efforts during HAZWOPER medical surveillance and respiratory medical evaluation since the requirements come from different OSHA regs

false

OSHA has strict regulations when it comes to indoor air quality for workers

false

OSHA's recognition of an NRTL is an official endorsement of the equipment certified by the NRTL

false

Simple random sampling is the simplest and most efficient of the probability based sampling designs

false

a critique following an emergency is required to improve the ERP and to place blame

false

a level c ensemble is best suited for a chemical emergency response

false

a person can have facial hair that rests in the respirator sealing surface so long as the worker passes their fit test

false

a safety monitor is the most effective way to protect workers from falls?

false

alcohol and caffeinated drinks are good for hydration

false

all boots that are chemical resistance meet NFPA standard 1991

false

all employees must be extensively trained in how to repair their respirator

false

all fully encapsulating suits are vapor tight

false

annual medical evaluations are required for all employees who wear respirators

false

any samples taken during hte phase 2 initial site entry must be sent to a certified laboratory for definitive results

false

at the completion of this training you will be trained to a level that allows you to work on electrical systems

false

barrier skin creams only need to be applies once a day in order to provide adequate protection against poisonous plants

false

baseline heart rate and pre entry heart rate mean the same thing

false

what should you do if any of the manufacturer's data is missing or incomplete

get missing data from manufacturer

who is the best resource for care and maintenance instructions for gloves used in the workplace?

glove manufacturer

which side of the fire triangle could be created by a spark from electrical equipment used in a hazardous environment

heat

safety spectacles protect against what types of hazards?

heat optical radiation impact

per this training what is the number one threat to HAZWOPER workers?

heat related injuries

if too many devices are plugged into a circuit, the electrical current will?

heat the wires to a very high temperature, which may cause a fire

what is 85 decibels roughly equivalent to?

heavy street traffic

exothermic

produces heat

field test kits

provide quantitative results provide qualitative numerous kits available self contained

D3 D4 D5

provides droplet/splash protection provides dust protection provides fine dust protection

what material will ignite in air without an ignition source?

pyrophoric

which respirators from the list below would be 99.97% effective?

r100 p100 hepa

which statement about permeation is true

rate of permeation increases as temperature increases

OSHA and NIOSH have published _____ to staffing agencies and host employers so they may better protect temporary workers

recommended practices

how are canal caps different from ear plugs?

they do not extend into the ear canal, but only close the ear opening

what message is conveyed by the presence of red barrier tape on a site

this line should not be crossed without appropriate ppe and planning

what type of respirators require fit testing per OSHA

tight fitting, positive + negative

what will assist with controlling traffic on a hazardous waste site?

traffic control plan

an ESA is most often used for determining environmental contamination prior to the purchase of a property

true

employees should demonstrate they know how to use PPE

true

reusable equipment should have individual identification numbers to help distinguish them from one another

true

single gas monitors are designed to detect a single, specific gas

true

solid state sensors are among the most versatile of all sensors, as they are capable of detecting a variety of gases at high and low concentrations

true

the term JSA and JHA are basically interchangeable

true

there is no standard definition that distinguishes the terms monitor and detector for hazwoper workers

true

workers that work in the presence of radiation require extensive, specialized training

true

how many toilets and/or urinals would a hazardous waste site with 80 employees requires

two toilet two urinals

which of the following categories of information must be taken into account when selecting a respirator?

type of work concentration of contam fit testing duration of use

FID PID

uses a small flame to ionize molecules so they can be measured uses an ultraviolet light to measure the IP of a chemical

chemical resistant gloves typically are made from?

various kinds of plastic combinations of rubber and plastic different kinds of rubber

when the risk level is ____ employers should consider physiologically monitoring workers

very high to extreme

monitoring employee health is typically done

while at worksite after leaving before arriving

which of the following elements define hazardous areas or locations

zones classes/divisions temperature code/class groups

which of the following requirements must change rooms meet?

all of the above

which regulations apply to waste site workers performing lab pack operations?

all of the above

why is it important to get protective footwear that fits comfortably?

all of the above

what info should be on site maps for a hazardous waste site?

all of them

which of the following are signs that a garment needs to be replaced

all of them

which types of equipment or clothing repairs should be documented and recorded

all repairs

conductors insulators

allow electricity to flow freely protect us from the dangerous effects of flowing electricity

which of the following are acceptable ways to deal with a flammable environment that is above 10% of the LEL

alter the env by ventilation/removing the flammable gas do not enter without alterting

authorized employee qualified person

an employee who performs maintenance on machinery a person designated by the employers who has demonstrated familiarity with the operation to be performed

excavation Trench

any man made cut, cavity trench or depression in an earth surface that is formed by earth removal a narrow excavation

a sample is considered in one's custody if it meets which of the following criteria?

any of the above

correction factors

are also response factors are similar to conversion factors

which items are considered suit accessories?

cooling under suits over gloves over booties

How many hours of refresher training must an emergency responder have?

There is no minimum number of hours required

what are two ways to address medical treatment and first aid?

a and b

the phase 1 site assessment typically involves doing which of the following?

all of the above

what does OSHA require of standby personnel when workers are in an IDLH atmosphere

all of the above

what info must be provided before the PLHCP can make a recommendation

all of the above

what is a confined space?

all of the above

what is a glove manufacturer's test data based on?

all of the above

what is a hazardous atmosphere?

all of the above

what is the APF?

all of the above

what is the most common decontamination method used during hazardous waste site operations

all of the above

what is true about piston type colorimetric pumps

all of the above

what must all employees do before wearing a respirator?

all of the above

what requirements must a program administrator meet according to the respiratory protection standard?

all of the above

when should a respirator user leave the hazardous environment?

all of the above

when should the decontamination plan be revised

all of the above

which of the following is an example of a monitoring and detection device for the HAZWOPER workers?

all of the above

the ratio of gas as a percent of its lower explosive limit the ratio of gas as a percent of the ambient atmosphere

% of LEL % by volume

what is the minimum number of people OSHA requires under the respiratory protection standard for standby while workers enter an IDLH atmosphere

1

body weight loss from pre entry assessment to post entry assessment should not exceed ____ of the worker's total body weight

1.5%

what is the most commonly used PID eV lamp

10.6 eV

How many sections are in the HAZWOPER regulation?

17

class E hard hats class G class C

20,000 volts 2,200 volts no protection against contact with electrical hazards

records of medical evaluations are required to be retained and made available by

29 CFR 1910.120

the CNP REDON protocol requires the test subject to don the respirator a total of how many times?

3

according to the NASA study on heat exposure, what was the loss in work accuracy at 90F?

300%

electric arcing may produce temperatures as high as?

35,000 degrees

vapors are drawn through the tube via a pump can be evaluated at any point during a work shit

colorimetric diffusion

when risk levels are high or above, work/rest schedules per 1 hour cycles might need to be as high as _____ minutes every hour

45

most sampling plans will specify that samples should be stored and shipped at what temperature?

4 +/- 2 C

confined space rescue training is typically a minimum of _____ hours

40

What percentage of compliance officers for OSHA are industrial hygienists?

40%

what is the minimum amount of time employees may be allowed to remain in the shade

5 minutes

hypothermia can occur in water below which temperature?

70F

approx how much would a 55 gallon drum containing 100% sulfuric acid weigh?

860 lbs

air cylinders must be recharged when the pressure falls to ____ of the manufacturer's recommended pressure level

90%

at what temperature must additional preventive measures be implemented?

95F

which agency provides the industrial hand protection selection criteria standard?

ANSI

who established the hard hat performance and testing requirements?

ANSI

This type of toxicity occurs almost immediately after exposure

Acute

This training applies to which of the following groups of HAZWOPER workers?

All phases of cleanup operations of hazardous waste sites

What are the objectives of pre-employment screening?

Determine an employee's level of fitness AND Establish a baseline against which to compare future examinations

Which section of the HAZWOPER regulation covers training?

E, P, Q (all of the above)

Which term implies that half of a population is expected to receive a positive OR negative effect from a substance?

ED50

what grade must compressed air used in an SCBA cylinder be?

Grade D

select true statements

HAZWOPER requirements are for cleaning up hazardous waste sites those who clean up contaminated work sites identified by ESAs follow HAZWOPER standard ESAs are for buying and selling

where are the definitions for containment, confinement, and control found?

NFPA standard 472

which hazard control option is the last resort for protecting employees against hazards?

PPE

qualitative fit testing quantitative fit testing

QLFT QNFT

What law authorized the EPA to begin the cradle to grave tracking of hazardous waste?

RCRA

air or oxygen is carried in a tank on the worker's back compressed air from a stationary source is supplied through a hose

SCBA SAR

based upon the temperature code, a device with which of the following ratings would be the safest to use on or around substances that are easily ignited

T6

What is the first step in resolving safety and health issues or concerns in the workplace?

Talking to your employer

The EPA complies the TRI data every year and makes it available through several data access tools. What does TRI stand for?

Toxics release inventory

Employers DO NOT need to have a HAZWOPER safety and health program developed and implemented if they have a similar program that covers, or is modified to cover, the topics required in the HAZWOPER regulation.

True

what does OSHA require all vehicles to be equipped with?

a horn to warn others when needed

who does OSHA require that a preliminary evaluation of a site's characteristics be performed by?

a qualified person prior to site entry

what is a safe job procedure?

a written process that results from a JHA

which of the following is not a situation where no information is available to judge whether protective clothing provides adequate protection?

all of the above

What is the most common type of drug interaction?

additivity

Flame retardant coveralls radiation contamination protective suit

adds bulk and may cause heat stress and impair mobility designed to prevent skin contamination from alpha and beta particles

demand type respirators pressure demand respirators

admit air only when a negative pressure is created inside the facepiece by inhalation when the positive pressure is reduced inside the facepiece by inhalation

level A ensemble B C D

air supplying respirator, total suit air supplying air purifying as needed

_____ is an important step when performing secondary decontamination on reusable items contaminated with VOCs

airing out the garment

what are the two types of air supplying respirators?

airline respirators and SCBAs

what factors can contribute to heat stress for users wearing cpc

all

which steps should employers take to protect workers from cold stress?

all

a totally encapsulated protective suit ca be

all of the above

as part of the container assessment following an inspection, important questions that should be considered include which of the following?

all of the above

employees must be trained on

all of the above

overpacking is an appropriate action if:

all of the above

the objectives of the CPC management program are to

all of the above

fixed monitoring systems

are an engineering control used for day to day monitoring in areas where toxic chemicals are used or stored used for long term monitoring

how often is respiratory training required by the OSHA respiratory protection standard?

at least yearly

water is a great ____ of electricity

conductor

what would blanketing or covering be a form of

confinement

what may be needed as an option when making entry in level A or level B ppe

backup personnel

what should be considered to keep HAZWOPER workers safe when using powered tools and equipment in hazardous environment

become familiar with tools in non haz environment conduct practice run through prior practicing tool use wearing PPE

when does OSHA require the implementation of site control procedures for hazardous waste site operations?

before clean up work begins

what is a normal at rest breathing rate for an adult

between 12 and 20 breaths per minute

chemical protective clothing should be selected as

both a and b

cleaning and disinfecting for respirators must be done per

both a and b

colorimetric tube steps

break glass place tube in pump draw vapors view color change

which tools are used for site communication?

bullhorns SCBA voice amplifiers two way radios hand signals satellite phones

patching is a form of

containment

true statements about colorimetric tubes

can be used with another manufacturer's pump cannot be read by individuals who are colorblind good for a known gas or vapor

Blood Asphyxiants Respiratory paralyzers

carbon monoxide, aniline and nitrobenzene Hydrogen sulfide, carbon disulfied, acetylene, ethylene and ethanol

which category of flammable aerosols are more flammable?

category 1

what is the concern with using cat litter as an absorbent material for a chemical spill?

chemicals in cat litter

medical monitoring assessment should be conducted in what zone?

cold zone

physical properties chemical properties

color, pH, boiling point flammability, reactivity, oxidation

CNP stands for

controlled negative pressure

how often could periodic inspections be needed?

daily weekly monthly yearly

which of the following is NOT an appropriate response when a user's low pressure alarm goes off?

decontamination is unnecessary

three ways in which chemicals can breach cpc

degradation penetration permeation

alternating current direct current

describes the flow of currents that changes direction periodically current that flows in only one direction

why is it important to understand the differences between flammable gas sensors?

different flammable conditions require specific types of sensors

the osha standard for the control of hazardous energy lockout/tagout applies to which type of operations?

disabling of machinery or equipment with the potential for the release of hazardous energy while employees perform servicing and maintenance activities

when is the level of PPE for decontamination determined

during the creation of the health and safety plan

particles of solid materials reduced to very small size by mechanical processes particles that often have a strong smell and are dangerous to inhale finely divided liquid suspended in air

dusts and fibers fumes mists

the hierarchy of controls

elimination substitution engineering controls administrative controls ppe

which worker is most likely to be trained to use WMD monitors?

emergency response workers

what are teh advantages of using water dilution for decontamination

economical speed

what is the principal injury event associated with electrical hazards?

electric shock arc flash arc blast

breathing air couplings should be compatible with outlets for non respirable plant air or other gas systems to ensure backup air is always available

false

direct contact with a poisonous plant is the only way workers can be exposed

false

disposable clothing is generally more costly and rugged than reusable clothing

false

donning and doffing protective clothing ensembles are procedures that should be performed without assistance

false

during the perimeter survey, if atmospheric monitoring shows any indication of toxic substances or combustible or flammable gases, immediate entry onto the site should be done to continue

false

during very high to extreme risk conditions, OSHA requires employers to reschedule non essential work activities and move essential work tasks to a time with lower heat index

false

employees and supervisor receive the same level of training on heat illness prevention

false

employees should answer to more than one supervisor during times of crisis

false

employers can review the medical questionnaires submitted to the PLHCP by their employees

false

employers must pay for all PPE for the employee

false

employers must train employees who voluntarily wear respirators

false

eye protection is only required on sunny days

false

fit testing is required for all types of respirators

false

following field decontamination, limited use garments should be secondarily decontaminated and put back into service

false

heat stroke always progresses from a milder form of heat illness

false

infrared sensors corrode in the presence of corrosive gases, which shortens their lifetime

false

it is only possible to monitor for known hazards

false

medical exams are required for all workers who wear respirators as part of their job

false

most manufacturers recommend using a tumbling air dryer to dry cpc after being washed

false

persons trained to the 24 and 40 hour HAZWOPER leela re also trained to be emergency responders to hazardous materials incidents

false

pre assembles respirators filters can be changed

false

sampling results are rarely used for legal proceedings

false

seat belts are only required when moving a vehicle long distance

false

soil and sediment material must be taken at 6 inches below the surface

false

sunburn increases the skins ability to release excess heat, protecting the body form heat related illness

false

the best way to protect against hazards is to find a single ensemble that can be used in all situations

false

the conversion factor for acetylene is the same for all combustible gas indicators

false

the degree of difficulty in decontaminating chemical protective clothing should not be a factor when selecting specific clothing

false

the most important factor when selecting the appropriate type of glove needed for a specific operation is cost

false

this training will provide you with specific training on how to safely operate a motor vehicle

false

upon completion of this section you will be able to work from elevated work areas without further fall protection training?

false

when a worker is hazwoper certified it means they are also fit tested and medically cleared to wear a respirator

false

when dealing with leaking or deteriorating containers, a waste site worker must transfer the product from one container to another

false

you should apply a heating pad to the affected area of a worker suffering from frostbite

false

which quality control test is prepared by splitting a single sample into two containers

field duplicate

NOAEL LOAEL

highest data point at which there is no observed toxic or adverse effect lowest data point at which there is an observed toxic or adverse effect

exclusion zone contamination reduction zone support zone

hot zone warm zone cold zone

where should exclusion zone exit points be set up?

immediately adjacent to the decontamination areas or the warm zone

where should the location of the CRZ be on a hazardous waste site?

immediately outside of the exclusion zone

what are the two types of chemical spills as defined by OSHA inthe HAZWOPER regulation

incidental releases and uncontrolled

dosimeter detector

indicates how much radiation has been taken in or received indicates how much radiation is emitted by a radiological source or identifies the isotope

what are some benefits of training in protective clothing use

instills user conficence allows user to become familiar reduces likelihood of accidents increases worker efficiency

what is the first objective in any chemical spill

isolate the area

non encapsulating suit fully encapsulating suit

jacket hood pants or bib overalls one piece garment

what could compromise the facepiece to face seal for a tight fitting respirator

jewelry facial deformities facial hair

oxygen deficient atmosphere is one that contains

less than 19.5% oxygen by volume

low risk conditions for the heat index

less than 91F

at what body core temp should a non acclimatized worker be removed from work activities

less than 95 F greater than 100.4 F

if the preliminary site evaluation does not produce sufficient information to identify the hazards, an ensemble that provides an equivalent_______ PPE must be provided as minimum protection

level B

what are some examples of administrative controls?

limit a worker's exposure by scheduling shorter working times

facial hair, earrings, etc. work better with which type of facepiece?

loose fitting

please select the four heat index values

low moderate high very high to extreme

what do PIDs measure?

low level VOCs

lux is an abbreviation for

lumens per square meter

what is the best way to prevent heat related illness?

make the work environment cooler

please select all the true statements about respiratory protection program

may need to conform to other OSHA regs must be tailored to specific workplace must conform to OSHA 29 CFR 1910.134

incidental release uncontrolled release

minor spill major spill

what is a plan that outlines how monitoring should be conducted during an entry called?

monitoring strategy

what are MSDs

musculoskeletal disorders

respiratory protection programs..

must be in writing need only contain elements that are applicable to the workplace

what agency issues heat advisories?

national weather service

what determines the identity of an atom

number of protons

which is the most common method for analyzing samples taken in the field

off site laboratory testing

emergent hazardous waste sites ___

often result from hazardous materials emergencies often caused by catastrophic release

by whom should radiation monitoring and detection be done?

only those knowledgeable

rebreather SCBAs have what type of tank?

oxygen

what are the three ways chemicals can breach cpc

permeation, penetration and degradation

what is the term used to describe a monitor that is worn by the user

personal gas monitor

if an open drum cannot be researled what would be the best course of action

place the drum in an overpack

what will assist in ensuring contaminated air does not enter into the compressor air supply system?

placing the air intake in an uncontaminated area

when must an ERP be developed?

prior to commencement of hazardous waste operations

when must training be provided?

prior to first assignment whenever assigned duties change both a and b

Select true statements from list below

regular tools and equipment should be used during the observation period the only difference from normal operations is the fact that the worker is being observed

water depletion heat exhaustion salt depletion heat exhaustion

results from insufficient water intake usually found in people who replace water losses adequately but fail to replace salt

what are two types of boot and shoe covers?

reusable and disposable

a level B ensemble uses which type of respiratory protection?

scba airline respirator

which section of the HAZWOPER regulation applies to those who respond to hazardous materials incidents wherever they occur?

section q

place the steps of the JHA in order

select a job or task break the job or task into steps identify potential hazards for each step determine preventive measures

which of the following statements refer to catalytic bead sensors?

sensor quality varies from one manufacturer to another used primarily to detect combustible gases

what are complex dams sometimes called?

separation dams

hard hats that sustain an impact...

should be replaced even if there is no sign of damage

a deformed respirator component, such as the facepiece, can

significantly reduce the respirator's effectiveness

where do temporary HAZWOPER workers often come from?

staffing agencies

supplies air respirators air purifying respirators

supply fresh breathing air to the user filter the contaminants from the atmosphere as the user breathes

what must employers do if they determine employees are not permitted to enter the permit space

take effective measures to prevent employees from entering the permit space

what must a worker know to better understand which hypothermia a person may be in?

the difference between early and late symptoms

what should be done before issuing previously used eye and face protection to another employee?

the equipment should be disinfected

who is the best source for info on decontaminating cpc

the garment manufacturer

level b protection provides

the highest level of respiratory and splash protection against liquids but not protection against vapors

level a protection provides

the highest level of respiratory, skin and eye protection from solid, liquid and gaseous chemicals

who approves replacement cartridges for various air purifying respirators

the manufacturer

what is the best source of current information on material capability

the manufacturer of the clothing

Whose instructions for the storage of cpc should be followed

the manufacturer's

the longer a respirator is exposed to a contaminant,

the more likely it will break through the respirator

what does the CE designation on an air line respirator indicate?

the respirator is approved for abrasive blasting

who is responsible for determining the effectiveness of decontamination?

the site safety and health supervisor

what is a chemical protective clothing ensemble

the sum of all the clothing pieces

what is voluntary respirator use?

the use of a respirator even though it is not required by the employer or by any OSHA standard

only touches the inside of the suit only touches the outside of the suit

the wearer the assistant

when should workers seek medical attention for heat cramps?

the worker has heart problems the workers is on a low sodium diet the cramps do not subside within one hour

how is using irritant smoke different from other test agents used during fit testing?

there is not enclosure or hood used when using irritant smoke

What are the two types of chemical spills or releases according to the HAZWOPER regulation?

incidental releases and uncontrolled releases

elimination substitution

is the process of removing the hazard from the workplace occurs when a new material or substance that is less hazardous is used instead of another material

what is the unit of measurement for vapor pressure?

kilopascal mmHG atm

which non-venomous snake are coral snakes often confused with?

king snakes

what are the three parts to communicating information to downstream employers, as well as workers?

labeling, SDSs, and training

this part of the body is extremely susceptible to xenobiotics because of its role in metabolism and a large blood supply

liver

This type of tumor invades adjacent tissues or migrates to distant sites, are more difficult to treat and often cause death

malignant

DOT regulations concerning employees are found in which CFR?

49 CFR PHMSA pipeline and hazardous materials safety administration

Air is composed of approximately what components?

21% oxygen, 78% nitrogen

How many hours of training must HAZMAT technicians have?

24

TSDF workers shall receive ___ hours of initial training and ___ hours of refresher training annually

24/8

OSHA regulations concerning employees are found in which CFR?

29 CFR

Which below is a version of OSHA's HAZWOPER regulation?

29 CFR 1920.120, 1926.65

Synergism, potentiation, additivity or antagonism could result when exposed to a toxic chemical if

another chemical is present

To whom must the written safety and health program be made available?

any contractor involved employees any subcontractor involved

danger warning

used for more severe hazards used for less severe hazards

SOPs SOGs

used where this is no room for deviation used where choices are needed to ensure the safety and health of workers

please select all the true statements from the list below about aerial lifts

using them creates fall hazards they are useful for replacing other fall hazards only trained personnel should operate an aerial lift

what are examples of non ionizing radiation

uv light microwaves radio waves

which of the following are biological hazards?

venomous spiders vector borne diseases poisonous plants venomous snakes

Which of the following isn't considered a toxic agent?

virus

What are the primary factors that affect the toxic effects of a dose?

weight or exposed duration of exposure age of exposed

why should you avoid the flammable range for a chemical?

you have two of the three basic sides of the fire triangle and only need a heat source to create a fire

you can react to a fall in 2/3 of a second. how far will you have fallen in that time?

7 feet

How many additional hours of training are required for managers and supervisors directly responsible for, or who supervise employees engaged in hazardous waste operations?

8

Oxygen Deficient Atmosphere (ODA) Oxygen Enriched Atmosphere (OEA)

<19.5% >23.5%

a bite from a black widow can be distinguished from other insect bites by the _____ puncture marks it makes

2

There are over ___ substances that are known human carcinogens

200

Which law promulgated the HAZWOPER regulation?

SARA- superfund amendments and reauthorization act

How does OSHA enforce job safety and health standards?

Worksite Inspections

per the previous slide, what would greatly assist HAZWOPER workers in preventing slips, trips and falls

a well though out site plan avoiding hazards that cause STFs

At a minimum who should know the way to the nearest emergency medical facility?

all managers and individuals involved in medical response

which of the following could be toxic in the right dose?

all of the above everything

which situation shown here may cause footwear to be slippery and can lead to hazards on a HAZWOPER site?

all of the above (slippery/no traction/covers)

what are other acceptable systems to prevent falls?

all of them

where would you find information of most use to exposed workers and emergency responders?

beginning sections of the SDS

Hypoxia is a type of ______ toxicity due to carbon monoxide binding of hemoglobin preventing transport of oxygen

blood and cardiovascular

which engineering control method below aims to keep the chemical in and the worker out?

both enclosure and isolation

what are the basic principles in how we protect ourselves from radiation?

distance, time, shielding

It is the ______ that makes something poisonous

dosage

what is the general term that is often used to refer to the amount of energy absorbed by an object or person per unit mass?

dose

What is the most effective way to protect workers from falls?

eliminate

Put the hierarchy of controls in order from most to least effective

elimination substitution engineering controls administrative controls ppe

what is radiation?

energy that originates from a source and travels through space energy that has an electric field and a magnetic field associated with it energy that has wave like properties

Age is not a factor in determining the response to toxicants?

false

Employers may opt to have employees pay for their own medical examinations and require them to have them done on their own time

false

Reproductive toxicity involve toxicant damage to the female reproductive system only

false

ergonomic hazards are easy to spot because they involve strain on the body that is typically obvious

false

flash point, auto-ignition temp and fire point are basically the same thing

false

following a spider bite, those performing first-aid should attempt to remove the venom as quickly as possible

false

radiation generating devices use a gamma source to create the radiation needed to operate

false

The site safety and health plan must be kept

on the site

what are substances that release oxygen at room temperature or in response to slight heating?

oxidizers

Select the required elements for an OSHA Hazxom label per the HCS

precautionary statement signal word pictograms hazard statements contact info for responsible party product identifier

40 hour HAZWOPER workers 24 hour HAZWOPER workers

receive more training on PPE receive less training on PPE

In addition to having employee rights, employees also have

responsibilities

Acute Chronic

short term long term

melting vaporization freezing

solid to liquid liquid to gas liquid to solid

what are the classic states of matter most often found in the workplace?

solid, liquid, gas

Per OSHA's definition, HAZMAT"team members perform responses to releases or potential releases of hazardous substances for the purpose of control or ______ of the incident"

stabilization

Law (the what) Regulation (the how)

statute or act written by a legislative body contains the details and procedures for implementing or complying with, and enforcing laws

Medical and exposure records for each employee are kept for

the duration of employment plus 30 years

Understanding dose-response relies upon the relationship between ______ and ______

the exposure; the effect

How are first responders at the operations level trained?

they are trained to respond in a defensive fashion

What is the point at which toxicity first appears?

threshold dose level

a mosquito or tick bite may case?

tick born diseases west nile lyme disease

In the absence of the site safety and health supervisor, another individual who is knowledgeable in occupational safety and health may act on behalf of the employer to determine the effectiveness of the site safety and health plan

true

UV radiation can be ionizing radiation or non ionizing radiation

true

Virtually all chemicals can be acute toxicants if the doses are large enough

true

Wearing CPC in a toxic environment can make something as simple as breaking a leg a life-threatening emergency

true

Workers may be medically disqualified for specific HAZWOPER work if they are clearly unable to perform certain tasks based on their medical history and physical exam

true

becquerel and curie measure the same thing; they just use a different scale

true

if a chemical has a low auto ignition temperature it shall be handled very carefully to avoid fire

true