hazardous material response Flashcards
lfvr personnel are trained to what level of haz-mat
operations level (312)
per nfpa __, the ops level responder is responsible for the awareness level
472
recognize the presence of hazardous material 2)call for the appropriate help 3) secure emergency area 4) attempt to id material 5) determine the appropriate actions per NAERG is the responsibility of what type of responder
operations level
the __ level responder is responsible for defing the problem, designing a defense and directing the execution of the IAP
operational
operational level responders are limited to conducting those ops that are either _-__ or _ in nature
non-intervention or defensive
the las vegas valley all hazards emergency operations plan 2003 designates that the __ is to coordinate emergency management efforts that involve an actual or potential discharge of hazardous materials with in las vegas valley
fire department
__ that a hazardous material is present is the first step in successfully mitigating a hazmat incident
recognizing (313)
when responding to a possible hazardous material incident, __ __stops should be made by the company officer so that they can briefly assess the situation for unusual circumstances.
remote observations
__ __ provide information about the hazard of products being stored or
marking system (315)
what are the 2 most common marking systems
dot/un and nfpa
the dot classification of hazmat is based on the __ & physical properties of
chemical and physical properties
dot has how many hazard classes
9
dot has how many class divisions
20
how many packing groups are there
3
packing group _ indicates great danger
I
packing group _ indicates medium danger
II
packing group _ indicates minor danger
III
for table _ materials - you must placard vehicles carrying any amount of the following classes explosive 1.1 - 1.3, poison gases 2.3, dangerous when wet 4.3, poison inhalation hazard 6.1, radioactive III 7
1
for table _ materials - vehicles carrying more than 1000 lbs of the hazard classes not found on table 1 require placards
2
when a mixed load has more than 1k lbs of total hazardous material but not more than 1k lbs of any single material, a “__” placard may applied instead of the specific hazard class
dangerous
what are the 2 marking systems (transportation and fixed)
DOT/UN and NFPA
with hazmat company officer will be initially concerned with what 2 issuses
material id and container integrity (316)
- no apparent damage to container, 2. damage to container w/ no material release, 3. damage to container w/ material release but no fire, 4. damage to the container w/ material release and fire, are the 4 possible consequences of __ on a container
stress
lvfr operational level responders may id the _ __ of a particular emergency, but because of their limited training an equipment resource, they will generally need assistance from more highly trained personnel
primary objective (317)
approach upwind and uphill, isolate the area and deny entry, evac or shelter in place, dike and retain the spill, divert liquid and runoff, eliminate ignition sources cool tanks are examples of
primary objectives
strategic objectives can be broken down in to what 3 strategic options
defensive, offensive and non-intervention (318)
the las vegas valley defines hazmat incidents using a 3 level response which range from
level I (least serious) - level III (most serious)
the extent of municipal, county, state, and federal involvement, the level of technical expertise required at the scene, the number of civilian evacuations, the number of injuries and deaths are criteria used to determine what
level of hazmat I - III
a level _ incident is capable of being mitigated by the local fire department that has jurisdiction over the location of the incident
I
level __ incident require the service of a formal hazmat response team. a properly trained and equipped response team is expected to use chemical protective suits and confine the contaminated areas perform plugging and patching and sample and test
II
Level __ incidents require resources from state agencies, fedral agencies and/or private industries. a large scale evacuation may be required
III (319)
the las vegas valley fire departments utilize the acronym “__” for hazard id & eval
ATRICK
__ simply displaces o2. and interrupts cellular oxidation like C)
asphyxiate
__ immediately dangerous to life and health, permissible exposure limit threshold limit value
toxicity
__ does the chimical react with other materials
reactivity
__ flammability, flash point, ignition temp. LEL - UEL
ignitable
__ caustic or alkaline, measured with ph scale
corrosive
on ph scale 1-6 is
acid
on ph scale 8-14 is
base
the las vegas valley fire dept uses the acronym _ __for hazard id and evaluation
A TRICK
A TRICK stands for
asphyxiate, toxicity reactivity ignitable corrosive know
what are the haz-mat modes of operations
non-intervention, defensive and offensive
strategies in which responders take no intervention to mitigate the problem
non-intervention (320)
when 1 or more of the following circumstances exist what op mode should be used. facility calls for nonintervention based on pre incident eval of hazards. the situations is beyond capabilities of responders, imminent explosion, serious container damage
non-intervention
when in __ __ mode responders will take the following actions. withdraw to a safe distance per NRG. report conditions to dispatch, control scene, initiate IMS, call for additional resources
non-intervention
__ __ are those which the responders seek to confine the emergency to a given area without directly contacting the materials causing the emergency. this mode is the upper limit of risk lvfr responders can take
defensive operations (321)
when operating in __ __ responders will take the following actions. report conditions, control scene, initiate ICS, establish zone boundaries, evacuate, control material spread, use dikes and dams, control ignition sources, call more resources
defensive operations
__ __ are those in which responders take direct aggressive action on the material, container or process equipment involved in the incident
offensive operations
__ __ are beyond the scope of lvfr operational level trained personnel
offensive operations
what are the priorities for hazmat calls
life safety, protect environment and property (322)
contaminated walking wounded rescuers and rescued victims need to be held in a isolation area until they can be decontaminated. this area should be located at the edge of the __ zone.
hot
___ protection involves the following tactics: protecting people, protecting the environment, protecting property not yet involved
exposure (323)
protecting people includes
evacuation or protection in place
protecting the __ includes the air surface and table water wildlife and surrounding land that may be affected by hazardous material
environment
protecting __ not yet involved includes divert, dike or contain leaking materials
property
if a hazmat incident involves a fire the __ tactical priority may be fire extinguishment
3rd
the following are questions that should be asked when: is product h2o reactive, can flammable liquid tank overflow, can runoff be contained, is there an explosive hazard, do we want fire out, can personnel be exposed
prior to engaging in fire suppression in a hazmat incident
when personnel and environmental risks are too great the practice of letting hazardous material burn is an appropriate option. this process is particularly useful when dealing with __ and flammable liquids
pesticides
___ is the process of controlling the flow of the hazamat spill and capturing it at some specified location
confinement (324)
__ is the act of stopping the continued release of a material form its container and is an offensive action that is preformed at the technician level
containment
__ includes hazard removal and cleanup. LVFR will not cleanup of dispose of hazardous materials
recovery
should lvfr verify that cleanup of hazardous material has been done
yes
what is the 1 st step of a hazmat incident
id material (325)
what is the 2nd step of a hazmat incident
controlling the scene
to be able to use the NAERG resource the material involved in the hazmat incident must be id by __ or__ sections of the guide which contain chemicals that are highlighted
blue or yellow
the tables of the NAERG do not apply if the material is on fire or has been leaking for more than __ min
30
a small spill is considered no more than a __ gallon drum
55 gal
the smallest isolations distance for any chemical is __ feet
500
__ __ __ is an area created by circling the spill using the minimum isolation
initial isolation zone
the __ __ __ zone is the area immediately adjacent to and downwind from the initial isolation zone. it is in imminent danger of being contaminated by airborne vapors within 30 min of release
protective action distance (326)
the boundaries of the protective action zone are listed in the ERG in the __ pages in units of __ of a mile
green tenths
the following factors r guides to do what: unable to initiate evacuation due to health care, detention or education occupancies, hazard is spreading rapidly, material is too toxic to risk exposure, vapors r heavier than air & people are in a high rise
shelter in place (327)
control zones are necessary to provide the scene control needed at a hazmat call. control zones differentiate the levels of hazard at a incident. at the __ level we are responsible for establishing these zones and controlling their boundaries
operations
as operational level responders one of our primary responsibilities will be to conduct __ control actions
defensive (329)
__ control actions are those measures used to contain and confine a hazardous material and operational level responders should be prepared to preform there defensive tactics within their PPE capabilities
defensive
__ is diking, damming, diverting and retaining are ways to confine the hazardous material.
confinement
what is an effective alternative to dilution
neutralization
__ __ is when water streams are used to disperse airborne vapors. to be effective the material that is being released must be water soluble or the vapor cloud must be able to move by the water stream. this method is effective if there is a life threat
vapor dispersion
__ __ is an action taken to reduce the emission of vapors at a hazmat spill.
vapor suppersion
at hazmat incidents who determines the level of decon that will be used
ic (330)
during both wet and dry decon __ __ responders must : control the flow of victims, protect privacy, remove clothing, monitor for signs and symptoms of contamination, secure a safe refuge
operational level responders (331)
__ (class one) are used in military applications, mining, logging, construction and demolition.
explosives (332)
__ of explosives is indicated by either crystallized residue on the explosive or by the internal contents leaking through the exterior container
decomposition
when an incident occurs involving explosives and fire, the immediate concern is to protect endangered lives. the primary objective is to
isolate, deny entry, evacuate
officers must use extreme caution. it is recommended that all civilians and responders move at least __ feet away in all directions
2500
what is class two
gases (333)
during a gas leak not involving a fire the immediate concern is to protect life safety and exposures. the primary objective is to _
shut off the flow of gas
during this type of incident the immediate concern is to protect the exposed tanks by cooling then with water. the primary objective is to shut off the flow of gas
non flammable gas leaks involving fire
class 3
flammable and combustible liquids (336)
are gas tanks prone to BLEVE
YES
are liquid tanks prone to BLEVE
no
spilled flammable/combustible liquids not involving fire the immediate concern is to prevent
ignition of the fuel
the primary objective with spilled flammable combustible liquids not involving fire is to
stop the flow of fuel
class 4
flammable solids, spontaneous combustibles dangerous when wet (337)
the actions of a operational level responder for class 4 materials include
securing scene, id material, protecting exposures, establishing zones, evacuation and calling for help
class 5
organic peroxides
during a incident involving class 5 materials the operation level personnel should
secure area and call the hazmat team
spilled oxidizers involving fire the immediate concern is to protect exposures. the primary objective is to_
control the fire by extinguishment or controlled burning
class 6
poisonous materials and infectious substances
338
spilled poisonous materials involving fire the immediate concern is to confine the spread of the material. the primary objective is to_
stop the flow, isolate and let the material burn
for spilled infectious substances not involving fire your immediate concern is to protect life safety and confine the spread of the material. the primary concern is to
confine the area and deny entry
class 7
radioactive materials (339)
what do you do with spilled radioactive material
confine spread and deny entry
class 8
corrosives (340)
immediate concern for spilled corrosive materials not involving fire is
confine and not dilute
the primary objective for spilled corrosive materials not involving fire is to
shut off flow isolate the area and deny entry
what is used to reduce vapor production
foam
what is used to redirect the vapor clouds
fog stream
your immediate concern with spilled corrosive materials involving fire is to
confine the spread and protect exposures
the primary objective for spilled corrosive materials involving fire is
shut off the flow, isolate the area and deny entry
class 9
miscellaneous (342)
class 9 includes any material that has
anesthetic , noxious or similar property
operations level personnel are limited to those operations that are either
non-intervention or defensive
the Clark county hazardous materials emergency response plan requires that a release of toxic material must be immediately reported to the ___
fire department (312)
the Clark county hazardous materials emergency response plan states the local fire department shall adopt the position of __ __ at the scene of all hazardous material incidents with its jurisdiction
incident commander (312 )
the fire department shall assume the role of lead agency and ic for all hazamt incidents with the las vegas valley with the exception of__ ___ and ___ where NHP has jurisdictional authority
state roads and highways (312)
R.I.S.E.R.A. is the acronym for what
managing hazmat incidents (312)
during an observation stop officer should report any unusual conditions to the ___ __ __
fire alarm office (313)
the following are common sources of info which can help the officer recognize a \_\_ incident verbal dispatch occupancy type location transportation routes visual physical intuition containers
haz-mat (313
__ have varying formats, but will consist of the id main hazard, the id department of transportation/unitied nations number basic response directions and ppe document
MSDS (314)
these include hazard class, un number, guide number, ect
shipping papers (314)
the __ is a seven digit number included on the waybill carried by the conductor
standard transportation commodity code (stcc) (314)
the stcc starts with __ the commodity is a hazardous material
49 (314)
the __ quantity is the amount of substance that when released is considered hazardous by the epa and must be reported to the national response center
reportable (314)
how many hazard zones are there
4 (316)
how are the hazard zones identified
A-D
how many compatibility groups are there
13
the 13 __ groups list materials that cannot be stored together because of their potential combination hazard
compatibility
NFPA uses the ___ __ for fixed sites
704 system
when doing a size up on a hazmat call the ic can place material into 3 categories what are they
material is known and poses a substantial threat
material is known and poses no immediate threat
material is unknown
the criteria used to determine the incident ___ are as follows
the extent of municipal, county, state, and federal involvement
the level of technical expertise required at the scene
the number of civilian evacuations
the number of injures or deaths
level (318)
rescue of endangered individuals at a hazardous materials incidents should not be performed until the proper level of PPE can be determined. refer to the ___ for PPE requirements
NRG (322)
LVFR personnel can be involved in exposure protection. they can assist with evacuation and sheltering in place as well as helping to protect the environment and property by diverting, diking and damming. LVFR responders only limitation is their lack of proper ___ needed for addressing chemical exposure
PPE (323)
controlling the scene of a hazmat call begins by ___ the site, removing the people who are within the isolation area, and denying entry of unauthorized persons
isolation
in instances where the responsible party cannot be located or when a spill is the responsibility of the city our contract vendor must be notified through the
fire alarm office (344)
