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
