Download HAZWOPER FINAL EXAM/ 314 Questions with 100% Correct Answers | Verified | Latest Update and more Exams Nursing in PDF only on Docsity! HAZWOPER FINAL EXAM/ 314 Questions with 100% Correct Answers | Verified | Latest Update Which of the following is not an employee right under OSHA? -Correct AnswerTo shut down a job you believe is unsafe A Safety Data Sheet (SDS) ____. -Correct AnswerMust be provided for chemicals used at a facility The term "Superfund" is another name for which of the following? -Correct AnswerCERCLA To protect the worker from exposure, which does OSHA indicate should occur first? - Correct AnswerEngineering controls Operations that employ workers who must comply with the 29 CFR 1910.120 regulations do not include which of the following? Correct -Correct AnswerRisk analysis of hazardous chemical releases Which governmental body is responsible for safety at a hazardous waste site? -Correct AnswerOSHA Complete enclosure of a sandblast operation is an example of _____. -Correct AnswerEngineering controls Is the use of "common sense" a good practice to protect a worker from exposure to hazards? -Correct AnswerFalse Using steam cleaning instead of solvent-based cleaning is an example of ____. -Correct AnswerEngineering Wearing a respirator to remove toxic vapors from your breathing air is an example of which of the following? -Correct AnswerPPE Which of the following is not an element of the Hazard Communication Standard? - Correct AnswerRespirator training Which Act has the primary responsibility for hazardous waste? -Correct AnswerResource Conservation and Recovery Act (RCRA) A vertical standard is specific to a particular industry -Correct AnswerTrue By identifying lines of authority, communication, and coordination among personnel and managers, the ____ is being defined according to the General Health and Safety Program (HASP). -Correct AnswerOrganizational Structure The OSHA Hazardous Waste Standard requires that new employees at hazardous waste sites receive which of the following training? -Correct Answer40-hour training course on health and safety Through planning, potential hazards may be anticipated and steps may be taken to reduce the risk of harm to workers, the public, and the environment using which of the following? -Correct AnswerSafety and Health Program Hazardous Waste Operations and Emergency Response training is required for a person working at a hazardous waste at a Treatment, Storage, Disposal Facility. - Correct AnswerTrue The Globally Harmonized System of Classification and Labeling of Chemicals is associated with which of the following? -Correct AnswerSafety data sheets The Resource Conservation and Recovery Act (RCRA) regulates an industry's management of its hazardous wastes from generation to off-site disposal! -Correct AnswerTrue HAZWOPER is the acronym for Hazardous Waste Operations and Emergency Response and is in the 29 CFR 1910.120. -Correct AnswerTrue Site characterization is performed in order to accomplish which of the following?! - Correct AnswerAssess hazards at the waste site How many members should the initial site entry team consist of including backup entry personnel? -Correct AnswerAt least four Off-site characterization hazard assessment might include which of the following? - Correct AnswerAll answers are correct Emergency personnel should be on standby only after the initial entry team encounters problems on the site. -Correct AnswerFalse An Antagonism Effect is defined as which of the following? -Correct AnswerThe interaction of two toxic chemicals may be such that the effect produced is actually less than would be expected Which of the following is common to airborne hazards? -Correct AnswerThe normally enter the body through breathing A chemical that deprives the victim's tissues of oxygen is which of the following? - Correct AnswerAsphyxiate Which exposure route is most likely to cause the immediate response of a burned esophagus to appear? -Correct AnswerIngestion Ceiling Limit (C) is the level that should never be exceeded in the workplace without correct procedures and protective equipment. -Correct AnswerTrue How can chemicals enter your bloodstream? -Correct AnswerAll answers are correct How much a worker is affected by an exposure to a chemical may depend upon ____. - Correct AnswerAll answers are correct Which type of airborne hazard probably results from grinding clean, dry metal parts? - Correct AnswerDust Chronic exposures are possible in hazardous waste sites -Correct AnswerTrue Which of the following is not a method of identifying hazardous materials? -Correct AnswerPanels with an ID number An irritant can cause which of the following? -Correct AnswerSkin to itch upon contact A cryogen can cause which of the following? -Correct AnswerFreeze the skin on contact A Target organ chemical can cause which of the following? -Correct AnswerLiver damage A Sensitizer can cause which of the following? -Correct AnswerAllergic-like responses A Carcinogen can cause which of the following? -Correct AnswerCancer A Teratogen can cause which of the following?! -Correct AnswerDamage fetus development A Mutagen can cause which of the following? -Correct AnswerDamage to Genes in sperm and egg cells 1. The NFPA 704-M system (hazard diamonds) identifies the hazards of materials in terms of____ excluding the 4th category. -Correct AnswerReactivity, health and flammability A hazard is defined as which of the following? -Correct AnswerThe capability of something causing you harm Risk can be defined as which of the following? -Correct AnswerThe probability and severity of a hazard The white section of the NFPA 704-M hazard diamond provides information for which of the following? -Correct AnswerSpecial hazards The blue section of the NFPA sign designates which hazard?! -Correct AnswerHealth The number "4" in the red section of the NFPA sign indicates the material is which of the following? -Correct AnswerExtremely flammable The yellow section of the NFPA sign indicates the material is which of the following? - Correct AnswerReactive Everyone working in an area that has hazardous substances must recognize and understand the potential health safety hazards involved in their work assignments. Training is required and documentation of that training is which of the following? - Correct AnswerMandatory Being struck by an object or moving machine part would be considered as which of the following?! -Correct AnswerKinetic / mechanical hazard Strong management commitment is a vital part of safety.! -Correct AnswerTrue Upon arriving at a large warehouse, you notice an NFPA sign. The term "OX" appears in the lower (white) quadrant of that sign. This term indicated that oxygen supplying respirator protection must be worn to enter the building.! -Correct AnswerFalse Noise is always consideration when evaluating hazards. -Correct AnswerFalse Safe work practices are important in hazardous waste operations. -Correct AnswerTrue An unsafe condition can also be a physical hazard. -Correct AnswerTrue A Job Hazard Analysis is performed to determine which of the following? -Correct AnswerUnsafe worker conditions An unsafe condition, such as wet floors or broken equipment, could be described as which of the following? -Correct AnswerPhysical hazard Heat stroke and hypothermia are examples of which of the following? -Correct AnswerThermal stress Which of the following forms of radiation will generally not penetrate intact skin but can be a serious hazard if ingested or inhaled? -Correct AnswerAlpha What can you do to protect yourself from Gamma ionizing radiation exposure? -Correct AnswerLimit your time of exposure to radiation Roentgen Equivalent Man (REM) takes into account the energy absorbed (dose) and the biological effect on the body due to different types of radiation. -Correct AnswerTrue iological effects of acute radiation exposure may include which of the following? - Correct AnswerAll answers are correct Chronic effects of radiation exposure include which of the following? -Correct AnswerCancer and cataracts The acronym ALARA stands for which of the following? -Correct AnswerAs low as reasonably achievable Three basic radiation principles used to reduce exposure to ionizing radiation are ____. -Correct AnswerTime, distance, shielding Radiation detection and monitoring is crucial for all of the reasons below except which one? -Correct AnswerRadiation can be detected by the human nose (order) Some atoms in nature occasionally split (fission) and give off radiation -Correct AnswerTrue Radiation can be detected and measured with a great deal of precision. -Correct AnswerTrue A sheet of paper can block what type of radiation? -Correct AnswerAlpha Protection from radiation does not include which of the following? -Correct AnswerIsotope half-life Gamma and X radiation have a LET or QF of 1. -Correct AnswerTrue Alpha particles have a QF of 20 and are considered as sever external radiation hazards. -Correct AnswerFalse Selection of chemical protective clothing will depend on the chemicals present and the tasks to be accomplished.! -Correct AnswerTrue Heat stress on the human body includes both "heat exhaustion" and "heat stroke." Which statement about "heat stroke" is true? -Correct AnswerHeat stroke is a life- threatening emergency Over-protection and under-protection can be hazardous and should be considered carefully when selecting chemical protective clothing. -Correct AnswerTrue Selection of a chemical resistant glove is intended to protect the wearer ___. -Correct AnswerAgainst specific chemicals Chemical reactions can degrade some protective clothing. -Correct AnswerTrue Which of the following factors regarding PPE utilization can the wearer directly control? -Correct AnswerType of protective ensemble selected Wearing Chemical Protective Clothing (CPC) prevents what route of exposure to hazardous materials? -Correct AnswerSkin Heat Stress is a concern for workers only in the summer months -Correct AnswerFalse Which of the following is least likely to make heat stress worse?! -Correct AnswerHigh wind velocity Knowing the specific hazards involved in the job is important even though you are wearing protective clothing.! -Correct AnswerTrue Air supply consumption when using a SCBA depends on which of the following? - Correct AnswerFitness, body size, work rate, breathing pattern The ensemble of equipment referred to as Level A protection is generally the minimum level recommended for an initial entry until the site hazards have been further identified.! -Correct AnswerTrue Level D protective ensembles provide no protection to a worker at all. -Correct AnswerFalse Class C helmets provide protection for which of the following? -Correct AnswerImpact hazards, limited chemical The following protective equipment is required for a worker handling toxic chemicals that when dispensed or handled may splash. -Correct AnswerAll of the answers are correct Employers must provide training to employees who are required to use PPE. This training must include all of the following except which of the following? -Correct AnswerHow to purchase cost-effective PPE Safety shoes and boots worn when working in areas where there is a danger of foot injuries must comply with which of the following organization specifications? -Correct AnswerANSI Class G (formerly A) helmets provide impact and penetration resistance as well as protection from: -Correct AnswerLow-voltage electrical hazards (2,200 volts) Class E (formerly B) helmets can provide electrical protection from high-voltage conductors and are proof-tested to 20,000 volts. -Correct AnswerTrue Which three different types of hand hazards can be avoided by wearing hand protection? -Correct AnswerChemical hazards, cut hazards, thermal hazards Wearing Chemical Protective Clothing (CPC) prevents which route of exposure to hazardous materials?! -Correct AnswerSkin A correctly designed Health and Safety Plan provides procedures for the selection of PPE or a combination of PPE components (respirator & canister, gloves, clothing, etc.) that will protect the wearer ___. -Correct AnswerAgainst specific agents as determined for a definite job Each type of protective clothing has a specific purpose as well as certain limitations. - Correct AnswerTrue Which of the following site zones is considered to be most contaminated? -Correct AnswerExclusion Zone Which one of the following is true about the buddy system? -Correct AnswerIt should be used when working in the Exclusion Zone What is the function of the Contamination Reduction Zone? -Correct AnswerAll of the answers are correct Which of the following is not true of the Support Zone? -Correct AnswerShould be as close to the Exclusion Zone as possible The most important reason to set up "work zones" at a waste site is ____. -Correct AnswerTo isolate a hazardous area and lessen the risk to the public and waste site workers Site Control Preparation includes all of the following except ____.: -Correct AnswerDeveloping a sampling plan When should a site map be developed? -Correct AnswerPrior to initial site entry Which of the following zones is considered to be least contaminated? -Correct AnswerSupport Zone The exclusion zone is an area that is least contaminated and does not require special PPE to enter. -Correct AnswerFalse The hot line can be described by which of the following? -Correct AnswerThe point where the worker enters or leaves an exclusion zone The following facilities are located in the Support Zone. -Correct AnswerCommand post, worker rest area, medical station Site security should provide all of the following except? -Correct AnswerPrevent increased hazards Which is the highest priority during an emergency decontamination involving a chemically contaminated worker who is seriously injured? -Correct AnswerImmediate emergency treatment of the victim Which of the following situations is the hardest to remove during decontamination? - Correct AnswerChemicals permeated into PPE material What is the minimum level of protection that decontamination personnel should wear during decontamination of returning field personnel? -Correct AnswerOne level lower protection as workers in the Exclusion Zone The best decontamination procedure is which of the following? -Correct AnswerNot to get contaminated at all The decontamination procedure discussed in class has how many steps? -Correct Answer6 steps Decontamination takes place in which of the following zones? -Correct AnswerContamination Reduction Zone A Responder's PPE apparel may become contaminated while working at a hazardous substance incident by which of the following? -Correct AnswerAll of the answers are correct Decontamination of equipment and PPE is generally not dependent on which of the following? -Correct AnswerThe overall cost Alcohol helps to retain body fluid for longer periods of time. -Correct AnswerFalse There should be a specific medical program for each hazardous waste site.! -Correct AnswerTrue Workers being exposed to a hazardous substance above its PEL value must have a medical examination -Correct AnswerTrue In hot environments, wait until you are thirsty before drinking water. -Correct AnswerFalse When using portable air monitoring instruments, all of the following are required except which of the following?! -Correct AnswerSuperficially safe Sensitivity is defined as the ability of an instrument to accurately measure which of the following? -Correct AnswerChanges in concentration A sampling plan for chemical sampling requires that all of the following things are considered except which of the following? -Correct AnswerHow to track sampling data A direct reading instrument provides a reading based on which of the following? - Correct AnswerCurrent real time conditions The following are all types of air sampling devices except for which of the following? - Correct AnswerNoise dosimeter Using a combination combustible gas (CGI) indicator and O2 monitor calibrated for normal oxygen content at sea level, the following readings are observed: O2 = 13.5%, percent LEL = 9%. Which of the following is true regarding the CGI reading? -Correct AnswerDue to an oxygen deficient atmosphere, the actual concentration of flammable gas is higher than indicated by the meter. An oxygen atmosphere of less than ___ is considered "oxygen deficient" by OSHA standards. 23% -Correct Answer19.5% If a direct reading instrument indicates the air is 25 percent of the LEL, then you should. -Correct AnswerLeave the work area immediately A primary purpose of a CGI is to detect which of the following? -Correct AnswerFlammable atmospheres Colorimetric tubes designed to be used for a specific chemical can be affected by other chemicals present.! -Correct AnswerTrue Flame ionization detectors are generally used to detect and measure organic compounds. -Correct AnswerTrue Selectivity (specificity) is the ability of an instrument to detect and measure a specific chemical or class of chemicals. -Correct AnswerTrue The LEL value is the explosive limit at the upper concentration of a flammable compound. -Correct AnswerFalse Sampling techniques can include both area and personal sampling. -Correct AnswerTrue Temperature, ambient pressure, and humidity have no effect on the accuracy of results for active sampling. -Correct AnswerFalse An integrated sample is collected when the results will be compared to an OSHA PEL. - Correct AnswerTrue Calibration is required for stain indicator tubes. -Correct AnswerFalse The oxygen content of normal air at sea level is approximately 20.9 percent and the partial pressure of oxygen is 159 mm Hg. -Correct AnswerTrue An scintillation radiation monitoring instrument can detect Alpha radiation. -Correct AnswerTrue Data obtained from air monitoring instruments is not useful for which of the following? - Correct AnswerDetermining which brand of respirator will be used by a worker Two types of personal sampling systems are which of the following?! -Correct AnswerPassive sampling & Active sampling What Subpart under OSHA standards contains at least 28 substances and requires a personal sampling plan to be initiated for waste site workers? -Correct AnswerSubpart Z In addition to mechanical pumps, what else is required in order to get active sampling system results?! -Correct AnswerA laboratory to analyze collection media The following may be used for passive sampling except for which one? -Correct AnswerAir pump-sample medium samplers Advantages of passive samplers include all except which of the following? -Correct AnswerA pump is required Radiation dosimeters only detect alpha and beta radiation. -Correct AnswerFalse Temperature and humidity have no effect on the accuracy (results) of passive samplers. -Correct AnswerFalse Calibration is required for all personal monitors. -Correct AnswerFalse Personal dosimeters must always be direct reading. -Correct AnswerFalse Passive samplers are all direct reading. -Correct AnswerFalse Which of the following should be avoided while sampling drums? -Correct AnswerLeaning over one drum to reach another A sampling plan has all of the following elements except for which of the following? - Correct AnswerEmergency spill response information Generally samples should be kept at ____ until they are sent to the lab.! -Correct Answer4° C Air monitoring is required during which of the following? -Correct AnswerUntil site cleanup is complete Sampling drums requires which of the following? -Correct AnswerFollow a carefully documented plan Drums that are suspected of having very flammable or contact detonation chemicals should be opened with which of the following type of tools? -Correct AnswerBrass Sample labels should have which of the following? -Correct AnswerDate & time, preservative, name of person, analysis, sample ID A sample is considered not to be in a person's custody if it is: -Correct AnswerOut of view and unsecure Chain of custody standard operating procedures do not apply to environmental sampling procedures. -Correct AnswerFalse Sample locations do not need to be logged into an official site document. -Correct AnswerFalse Over pumping a well can alter groundwater flow or affect the movement of contaminants. -Correct AnswerTrue Sampling can be one of the most dangerous activities on a hazardous waste site. The process of opening and sampling a hazardous waste container may place workers in direct contact with unidentified waste. -Correct AnswerTrue Prior to entering a permit required confined space which of the following should be implemented? -Correct AnswerPersonnel are trained, permit is issued, air monitoring conducted, Correct PPE is used Ventilation should be used prior to entry into a confined space for one of the following? - Correct AnswerA flammable atmosphere exists Monitoring prior to entering a confined space must be completed in the following sequence: -Correct AnswerOxygen deficiency, flammability, toxins The leading cause of death in a confined space is which of the following -Correct AnswerOxygen deficiency Written procedures for working in a confined space will provide the step by step procedures for which of the following? -Correct AnswerAll of the answers are correct A permit-required confined space has which of the following? -Correct AnswerOxygen levels below 19.5%, A hazardous atmosphere, flammable atmosphere, IDLH atmosphere A permit required confined space has all the following characteristics except? -Correct AnswerNo occupational hazards are present Explosions are the main cause of death in confined spaces. -Correct AnswerFalse Rescue workers must have a permit to enter a confined space. -Correct AnswerFalse Proper written procedures are important for confined space entry. -Correct AnswerTrue In addition to cave-ins, other hazards associated with excavations include which of the following? -Correct AnswerWater accumulation, falls and equipment, hazardous atmospheres All of the following are site conditions that need to be addressed prior to beginning an excavation project except which one? -Correct AnswerBuilding structure type The following are methods of protecting workers in excavations except which one of the following? -Correct AnswerFencing When employees are required to work in a trench excavation 4 feet deep or deeper, OSHA regulations require ladders, steps, or other safe means of egress to be provided. -Correct AnswerEvery 25 feet of lateral travel OSHA's standards for trenching and excavation can be found in which of the following? -Correct Answer29 CFR 1926.650 According to OSHA, employers are responsible for which of the following? -Correct AnswerAll of the answers are correct A primary hazard that kills or injuries most workers in excavation work is ___. -Correct AnswerCave-ins An excavation deeper than 20 feet must have the approval of which of the following? - Correct AnswerA professional engineer The types of soils evaluated to ensure that excavations are as safe as possible is which of the following? -Correct AnswerType a, type b, type c The excavation slope angle for all classification of soils is the same. -Correct AnswerFalse According to OSHA construction standards, a trench is a narrow excavation made below the surface of the ground in which the depth is greater that the width, the width does not exceed 15 feet.! -Correct AnswerTrue Soil mechanics is important to consider before designing protective systems such as benching, sloping, and shoring.! -Correct AnswerTrue According to OSHA, the employer is responsible for providing safe access and egress from excavations. -Correct AnswerTrue A competent person must have specific training, must be capable of identifying hazards, and authorized to immediately eliminate hazards and must have the authority to take appropriate corrective actions. -Correct AnswerTrue A responsibility of a competent person does not include being present when workers are in a trench. -Correct AnswerFalse During an on-site emergency, which of the following is the best evacuation procedure - Correct AnswerUpwind at a designated mustering site that is independent of the type and amount of chemical released At all hazardous material spill response situations, which of the following has the highest priority? -Correct AnswerProtection of human health, life, and safety Whenever possible, response to a hazardous materials release should always be from? -Correct AnswerUpwind Site evacuation routes should exclude which of the following? -Correct AnswerRoutes should be downwind from the site as much as possible Which of the following should not be kept at the on-site safety station? -Correct AnswerFood supplies Emergency response plans should address elements that include the following except. - Correct AnswerSite security and control, safe distance & refuge, configuration of chemical laboratory It is important for responders to gather as much information as feasible for the hazardous material that is involved in an accident before taking further action because? -Correct AnswerAll of the answers are correct The site log showing who has entered/exited the hazardous waste site is a key document because of which of the following? -Correct AnswerIt provides the project team leader with the information of who is still "on site" in an emergency The following emergency response procedures are required by 29 CFR 1910.120 except which one? -Correct AnswerHazardous chemical compatibility storage in the laboratory The safety officer is usually found near which of the following? -Correct AnswerContamination Reduction Zone Which one of the following is not used to minimize spills? -Correct AnswerPPE Factors that influence a safe distance from a hazardous spill emergency are which of the following? -Correct AnswerRate of release, wind speed, quantity released, toxicological properties During an emergency response many of the following may be acceptable practices with the exception of which one? -Correct AnswerKeeping work activities going as usual During a hazardous material spill response time is critical to contain the spill, so it is proper according to safe procedures that any available personnel should respond immediately to contain the spill. -Correct AnswerFalse In addition to planning escape routes, reassemble areas should be identified in order to account for personnel.! -Correct AnswerTrue Over-pack drum and salvage drum nomenclature can be interchanged because there is no difference between the two drums -Correct AnswerFalse Training for requirements for on-site emergency personnel should include first aid and CPR. -Correct AnswerTrue Site control is not necessary when an uncontrolled hazardous spill occurs resulting in an emergency. -Correct AnswerFalse