2023-2024 HAZWOPER FINAL EXAM QUESTIONS AND 2023-2024 HAZWOPER FINAL EXAM QUESTIONS AND AN, Exams of Workplace Safety

Download 2023-2024 HAZWOPER FINAL EXAM QUESTIONS AND 2023-2024 HAZWOPER FINAL EXAM QUESTIONS AND AN and more Exams Workplace Safety in PDF only on Docsity! HAZWOPER FINAL EXAM QUESTIONS A ND ANSWERS RATED A+ LATEST UPDATE 2023|2024 Which of the following is not an employee right under OSHA? - ANSWER>>To shut down a job you believe is unsafe A Safety Data Sheet (SDS) . - ANSWER>>Must be provided for chemicals used at a facility The term "Superfund" is another name for which of the following? - ANSWER>>CERCLA To protect the worker from exposure, which does OSHA indicate should occur first? - ANSWER>>Engineering controls Operations that employ workers who must comply with the 29 CFR 1910.120 regulations do not include which of the following? Correct - ANSWER>>Risk analysis of hazardous chemical releases Which governmental body is responsible for safety at a hazardous waste site? - ANSWER>>OSHA Complete enclosure of a sandblast operation is an example of . - ANSWER>>Engineering controls Is the use of "common sense" a good practice to protect a worker from exposure to hazards? - ANSWER>>False Using steam cleaning instead of solvent-based cleaning is an example of . - ANSWER>>Engineering Wearing a respirator to remove toxic vapors from your breathing air is an example of which of the following? - ANSWER>>PPE Which of the following is not an element of the Hazard Communication Standard? - ANSWER>>Respirator training Which Act has the primary responsibility for hazardous waste? - ANSWER>>Resource Conservation and Recovery Act (RCRA) A vertical standard is specific to a particular industry - ANSWER>>True 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). - ANSWER>>Organizational Structure The OSHA Hazardous Waste Standard requires that new employees at hazardous waste sites receive which of the following training? - ANSWER>>40-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? - ANSWER>>Safety 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. - ANSWER>>True The Globally Harmonized System of Classification and Labeling of Chemicals is associated with which of the following? - ANSWER>>Safety data sheets The Resource Conservation and Recovery Act (RCRA) regulates an industry's management of its hazardous wastes from generation to off- site disposal! - ANSWER>>True HAZWOPER is the acronym for Hazardous Waste Operations and Emergency Response and is in the 29 CFR 1910.120. - ANSWER>>True Site characterization is performed in order to accomplish which of the following?! - ANSWER>>Assess hazards at the waste site How many members should the initial site entry team consist of including backup entry personnel? - ANSWER>>At least four Off-site characterization hazard assessment might include which of the following? - ANSWER>>All answers are correct Emergency personnel should be on standby only after the initial entry team encounters problems on the site. - ANSWER>>False When should monitoring be conducted at a hazardous waste site? - ANSWER>>Upon initial entry to identify and IDLH conditions Atmospheric monitoring is only required after the workers have entered the site. - ANSWER>>False A change in weather will not affect the hazards at a work site. - ANSWER>>False ACGIH defines Short-Term Exposure Limit (STEL) as a 15-minute TWA exposure that should not be exceeded at any time during the workday without the proper protective measures. A waste-site worker uses the STEL to protect himself/herself by . - ANSWER>>Realizing low STEL values represent more toxic chemicals An IDLH atmosphere is an atmosphere that poses an immediate threat to life, would cause irreversible adverse health effects, or would impair an individual's ability to escape from a dangerous atmosphere. - ANSWER>>True Legally enforceable exposure levels are established by . - ANSWER>>OSHA (Occupational Safety and Health Administration) TLV is an acronym for . - ANSWER>>Threshold limit value The most common route of entry for exposure to toxic materials in the work place is?! - ANSWER>>Inhalation Which of the factors listed, that affect the response of humans and living organisms to toxic chemicals, is time dependent? - ANSWER>>Dose Acute exposure symptoms may include which of the following? - ANSWER>>All answers are correct . A toxic effect described as a severe injury by a one-time short exposure to a harmful chemical is known as - ANSWER>>Acute An additive effect is defined as which of the following? - ANSWER>>The addition of toxic chemical effects in producing a biological effect A Synergistic Effect is defined as which of the following? - ANSWER>>The exposure to two different toxic chemicals that produces a more severe effect than simply doubling the dose of wither one alone A Potentiation Effect is defined as which of the following? - ANSWER>>In some cases, a chemical without any known toxic effect may act together with a known toxic substance to make the toxic substance even more potent and more dangerous An Antagonism Effect is defined as which of the following? - ANSWER>>The 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? - ANSWER>>The normally enter the body through breathing A chemical that deprives the victim's tissues of oxygen is which of the following? - ANSWER>>Asphyxiate Which exposure route is most likely to cause the immediate response of a burned esophagus to appear? - ANSWER>>Ingestion Ceiling Limit (C) is the level that should never be exceeded in the workplace without correct procedures and protective equipment. - ANSWER>>True How can chemicals enter your bloodstream? - ANSWER>>All answers are correct How much a worker is affected by an exposure to a chemical may depend upon . - ANSWER>>All answers are correct Which type of airborne hazard probably results from grinding clean, dry metal parts? - ANSWER>>Dust Chronic exposures are possible in hazardous waste sites - ANSWER>>True Which of the following is not a method of identifying hazardous materials? - ANSWER>>Panels with an ID number An irritant can cause which of the following? - ANSWER>>Skin to itch upon contact A cryogen can cause which of the following? - ANSWER>>Freeze the skin on contact A Target organ chemical can cause which of the following? - ANSWER>>Liver damage A Sensitizer can cause which of the following? - ANSWER>>Allergic-like responses A Carcinogen can cause which of the following? - ANSWER>>Cancer A Teratogen can cause which of the following?! - ANSWER>>Damage fetus development A Mutagen can cause which of the following? - ANSWER>>Damage 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. - ANSWER>>Reactivity, health and flammability A hazard is defined as which of the following? - ANSWER>>The capability of something causing you harm Risk can be defined as which of the following? - ANSWER>>The probability and severity of a hazard respirators? - ANSWER>>Before and after each use What precautionary measures should workers take when using a North half-face air purifying respirator to reduce their risk of exposure? - ANSWER>>Remove contact lenses Before a person wears any respirator on the work site, what must be done? - ANSWER>>Have training on proper respirator use The two types of respirator fit testing are? - ANSWER>>Qualitative, quantitative The class of respiratory protection that is not recommended for use in hazardous atmosphere containing less that 19.5% oxygen is which of the following? - ANSWER>>Air-purifying respirator You must have an emergency pack of air when wearing a supplied air respirator - ANSWER>>True Select the best answer relating to atmosphere supplied respirators. - ANSWER>>Atmosphere supplied respirators are the best protection against IDLH respiratory hazards What three variables must be identified before air-purifying respirators can be considered for use? - ANSWER>>Identity of hazard, hazard concentration, oxygen content In an atmosphere that is immediately dangerous to life and health, the best respiratory protection is which of the following?! - ANSWER>>Self- contained, positive pressure demand breathing apparatus Only your lungs can be damaged when breathing toxic chemicals. - ANSWER>>False It is acceptable to wear a dust mask as protection against spray paint vapors. - ANSWER>>False The primary purpose of quantitative or qualitative fit testing is to identify the specific model, make, and size of respirator that best suites each person. - ANSWER>>False A person's eyes are better protected by which of the following respirators? - ANSWER>>Full face Methanol has a TLV of 200 ppm; the odor of methanol is not detected until a concentration of 2000 ppm in air is reached. For protection, the best respirator to wear is which of the following? - ANSWER>>A SAR with escape bottle It is permissible to modify a respirator to make a different brand of cartridge to fit the respirator. - ANSWER>>False Select the incorrect statement relating to respirators. - ANSWER>>You must wear contact lenses instead of glasses when wearing any type of respirator MUC stands for which of the following? - ANSWER>>Maximum use concentration A respirator fit check consisting of covering the cartridge openings and inhaling for 5 to 10 seconds to feel the mask pulling snugly against the face is called a negative pressure fit check. - ANSWER>>True Positive-pressure atmosphere-supplying respirators are designed to maintain a positive pressure in the facepiece during both inhalation and exhalation. - ANSWER>>True Chemical "X" has an odor threshold of 150 ppm and a TLV of 75 ppm, what is the significance of this information? - ANSWER>>The TLV exposure is reached before you are able to smell the chemical The monitoring requirements for an employee dressed in Level A PPE require which of the following? - ANSWER>>Oral temperature, blood pressure, heart rate, body weight loss (water) Using Level C personal protective equipment includes which of the following?! - ANSWER>>Wearing an air-purifying respirator The Level of Protection that provides the highest degree of respiratory and skin protection against gases and vapors is? - ANSWER>>Level A A written comprehensive PPE program should include? - ANSWER>>Medical monitoring, Hazard identification, Decontamination procedures Selection of chemical protective clothing will depend on the chemicals present and the tasks to be accomplished.! - ANSWER>>True Heat stress on the human body includes both "heat exhaustion" and "heat stroke." Which statement about "heat stroke" is true? - ANSWER>>Heat stroke is a life- threatening emergency Over-protection and under-protection can be hazardous and should be considered carefully when selecting chemical protective clothing. - ANSWER>>True Selection of a chemical resistant glove is intended to protect the wearer . - ANSWER>>Against specific chemicals Chemical reactions can degrade some protective clothing. - ANSWER>>True Site security should provide all of the following except? - ANSWER>>Prevent increased hazards Which is the highest priority during an emergency decontamination involving a chemically contaminated worker who is seriously injured? - ANSWER>>Immediate emergency treatment of the victim Which of the following situations is the hardest to remove during decontamination? - ANSWER>>Chemicals permeated into PPE material What is the minimum level of protection that decontamination personnel should wear during decontamination of returning field personnel? - ANSWER>>One level lower protection as workers in the Exclusion Zone The best decontamination procedure is which of the following? - ANSWER>>Not to get contaminated at all The decontamination procedure discussed in class has how many steps? - ANSWER>>6 steps Decontamination takes place in which of the following zones? - ANSWER>>Contamination Reduction Zone A Responder's PPE apparel may become contaminated while working at a hazardous substance incident by which of the following? - ANSWER>>All of the answers are correct Decontamination of equipment and PPE is generally not dependent on which of the following? - ANSWER>>The overall cost The most important factor to consider when deciding upon decontamination methods is which of the following? - ANSWER>>The type of contaminant involved A low pressure warning alarm sounds on a SCBA unit, what should the worker do? - ANSWER>>Signal your partner and get out of the hazard area as soon as possible Decontamination procedures must be developed and implemented . - ANSWER>>Before anyone enters a hot zone work site A decontamination plan will have which of the following elements? - ANSWER>>Methods and procedures, type of decon station, disposal methods, written plan Which is the highest priority during an emergency decontamination involving a chemically contaminated worker who has minor injuries? - ANSWER>>Decontamination of the injured worker before transportation to the hospital Encapsulated suits should be checked for deficiencies before they are used - ANSWER>>True Protective clothing and respirators can help prevent worker contamination - ANSWER>>True In an emergency the primary concern is the protection of property - ANSWER>>False Rescuers do not have to take measures to prevent the spread of contamination - ANSWER>>False What is the primary purpose of a medical surveillance program? - ANSWER>>Assess and monitor a worker's health before employment as well as during the course of employment Other than the individual examinee, who has access to an individual's medical records? - ANSWER>>A designee of the individual Under the record keeping requirements of the OSHA Hazardous Waste Standard, the employer must maintain and preserve medical records of a worker's exposure to hazardous materials for what period of time? - ANSWER>>For the term of employment, plus 30 years How often should a Team Member be examined according to federal regulations? - ANSWER>>Upon entering, on a periodic basis; following appearance of symptoms that indicate exposure; and upon termination from a Hazardous Materials Team Why is assessment of the cardiovascular system an important part of a baseline medical surveillance exam? - ANSWER>>It identifies people with cardiovascular risk factors so they will not be permitted to use personal protective equipment including respirators Who is required to pay for work-related medical surveillance exams? - ANSWER>>The employer Which statement about medical exams is false? - ANSWER>>All medical conditions must be reported to the employer by the examining physician whether or not they affect work performance Which of the following is the most important relating to heat stroke? - ANSWER>>Professional medical treatment must be administered as soon as possible Medical program management should encourage employees to participate in which of the following? - ANSWER>>All of the answers are correct The most effective first aid treatment for heat exhaustion is which of the following? - ANSWER>>Take the victim to a cooler area and lay them down to allow blood to return to the head quickly Which of the following is not an element of a hazardous waste site medical program? - ANSWER>>Assessing and assigning the correct site control at the work site Which of the following is not a component of an employee medical program?! - ANSWER>>Recreation Which of the following is the most serious of the health problem caused by heat? - ANSWER>>Heat stroke All medical conditions must be reported to the employer by the examining physician whether or not they affect work performance. - ANSWER>>False According to OSHA standards, any hazardous waste site worker that wears a respirator more than 30 days a year must enter into the medical surveillance program. - ANSWER>>True . According to OSHA, employees who are required to wear respirators should have a medical evaluation prior to using a respirator.! - ANSWER>>True The employer can require that workers take a pre-placement medical examination as a condition of employment - ANSWER>>True All medical examinations and procedures shall be performed by or under the supervision of a licensed physician, preferably one knowledgeable in occupational medicine. - ANSWER>>True Alcohol helps to retain body fluid for longer periods of time. - ANSWER>>False There should be a specific medical program for each hazardous waste site.! - ANSWER>>True Workers being exposed to a hazardous substance above its PEL value must have a medical examination - ANSWER>>True In hot environments, wait until you are thirsty before drinking water. - ANSWER>>False When using portable air monitoring instruments, all of the following are required except which of the following?! - ANSWER>>Superficially safe Generally samples should be kept at until they are sent to the lab.! - ANSWER>>4° C Air monitoring is required during which of the following? - ANSWER>>Until site cleanup is complete Sampling drums requires which of the following? - ANSWER>>Follow 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? - ANSWER>>Brass Sample labels should have which of the following? - ANSWER>>Date & time, preservative, name of person, analysis, sample ID A sample is considered not to be in a person's custody if it is: - ANSWER>>Out of view and unsecure Chain of custody standard operating procedures do not apply to environmental sampling procedures. - ANSWER>>False Sample locations do not need to be logged into an official site document. - ANSWER>>False Over pumping a well can alter groundwater flow or affect the movement of contaminants. - ANSWER>>True 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. - ANSWER>>True The volume of purged water to be removed should be specified in the sampling plan. An alternative to volume-based removal is to monitor the water level, temperature, conductivity, and pH, as the well is purged. - ANSWER>>True Drum and container sampling is not a hazardous activities to a worker's safety and health because it involves sampling of materials that are contained. - ANSWER>>False A COLIWASA is a devise used to collect a sample of hazardous wastes, liquids, slurry- type sludge's and semi-solids from drums. - ANSWER>>True Wells may be purged using a variety of equipment, including a gas pressure displacement system, a submersible pump, and a peristaltic pump. - ANSWER>>True A split spoon sampler is generally used to sample liquids - ANSWER>>False Samples taken from within the Exclusion Zone do not follow a written sampling plan. - ANSWER>>False Lockout/Tagout procedures provide the worker protection from which of the following? - ANSWER>>Mechanical hydraulic equipment failures The contents of a drum have not been identified and you notice crystalline material on top of the drum. You should treat the contents as which of the following?! - ANSWER>>Shock sensitive Causes of leaks in drums include which of the following? - ANSWER>>All of the answers are correct The regulation pertaining to highway shipments of hazardous materials requires shipping papers to be located in which of the following? - ANSWER>>Driver's possession, in a holder of the driver's door or within the driver's reach in the cab The large diamond-shaped DOT signs found on the outside of a highway transport truck are called what? - ANSWER>>Placards "Overpacking" is a term used to describe the act of which of the following? - ANSWER>>Placing one drum inside another Where would you find the Department of Transportation shipping regulations for hazardous materials? - ANSWER>>49 CFR Lockout and tagout of equipment is required for which of the following?! - ANSWER>>During any maintenance procedure Standing orders apply to which of the following? - ANSWER>>Should be reviewed with the field crew at the beginning of each workday If a drum exhibits radiation levels above background, which of the following is the correct procedure? - ANSWER>>Immediately leave the area contact a health physicist Tagout of an electrical switch will keep it from being activated. - ANSWER>>False Workplace hazards can include the following: thermal stress, radiation, noise, UV light, vapors, gasses, particulates, biological, slips, trips, falls, confined space, and excavations.! - ANSWER>>True Worker stress can result from wearing PPE. - ANSWER>>True Physical symptoms can include the following: fatigue, dizziness, sweating, headaches, visual difficulties, high lead blood levels, vomiting, and thirst. - ANSWER>>True Soil mechanics is important to consider before designing protective systems such as benching, sloping, and shoring.! - ANSWER>>True According to OSHA, the employer is responsible for providing safe access and egress from excavations. - ANSWER>>True 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. - ANSWER>>True A responsibility of a competent person does not include being present when workers are in a trench. - ANSWER>>False During an on-site emergency, which of the following is the best evacuation procedure - ANSWER>>Upwind 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? - ANSWER>>Protection of human health, life, and safety Whenever possible, response to a hazardous materials release should always be from? - ANSWER>>Upwind Site evacuation routes should exclude which of the following? - ANSWER>>Routes should be downwind from the site as much as possible Which of the following should not be kept at the on-site safety station? - ANSWER>>Food supplies Emergency response plans should address elements that include the following except. - ANSWER>>Site 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? - ANSWER>>All 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? - ANSWER>>It 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? - ANSWER>>Hazardous chemical compatibility storage in the laboratory The safety officer is usually found near which of the following? - ANSWER>>Contamination Reduction Zone