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HAZWOPER FINAL EXAM Questions with
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Which of the following is not an employee right under OSHA? To shut down a job you believe is unsafe A Safety Data Sheet (SDS). Must be provided for chemicals used at a facility The term "Superfund" is another name for which of the following? CERCLA To protect the worker from exposure, which does OSHA indicate should occur first? Engineering controls Operations that employ workers who must comply with the 29 CFR 1910.120 regulations do not include which of the following? Correct Risk analysis of hazardous chemical releases Which governmental body is responsible for safety at a hazardous waste site? OSHA Complete enclosure of a sandblast operation is an example of. Engineering controls Is the use of "common sense" a good practice to protect a worker from exposure to hazards? False Using steam cleaning instead of solvent-based cleaning is an example of. Engineering Wearing a respirator to remove toxic vapors from your breathing air is an example of which of the following? PPE Which of the following is not an element of the Hazard Communication Standard? Respirator training Which Act has the primary responsibility for hazardous waste? Resource Conservation and Recovery Act (RCRA) 00:1101: True The Globally Harmonized System of Classification and Labeling of Chemicals is associated with which of the following? 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! True HAZWOPER is the acronym for Hazardous Waste Operations and Emergency Response and is in the 29 CFR 1910.120. True Site characterization is performed in order to accomplish which of the following?! Assess hazards at the waste site How many members should the initial site entry team consist of including backup entry personnel? At least four Off-site characterization hazard assessment might include which of the following? All answers are correct Emergency personnel should be on standby only after the initial entry team encounters problems on the site. False When should monitoring be conducted at a hazardous waste site? Upon initial entry to identify and IDLH conditions Atmospheric monitoring is only required after the workers have entered the site. False A change in weather will not affect the hazards at a work site. False When locating a Command post, which of the following can have the greatest impact on employee
safety? Wind direction The Site Health and Safety Plan should contain contingency plans for unpredictable events such as fire or physical injury. True After the plan for a hazardous waste site is implemented, it should be periodically examined to reflect any site condition changes. True The primary purpose of a site health and safety plan is which of the following? To ensure the safety and health of workers and responders Emergencies are not effected by which of the following? Location of the laboratory It is the responsibility of the personnel involved at the site to comply with the requirements of the health and safety plan. True The best policy is that instructions should be written. True Identify the correct order that a site characterization should be conducted; 1. Conduct an on-site survey, 2. Conduct an off-site survey, 3. Implement programs to ensure the safety of a hazardous waste employee after an on-site evaluation. 2,1, 3 The results of air monitoring and sampling pertaining to an employee's job.! Must be made available to the employee A hazardous waste site plan should be in order to make sure the procedures will work in an emergency. Practiced At a minimum, emergency response plans for handling and reporting emergency incidents should include the following. Which one is the most important when reporting an emergency due to a hazardous chemical spill? The chemicals and quantities involved Upon completion of a site characterization, an activity that is not implemented is which of the following? Correct all instruments for elevation When determining if immediately dangerous to life or health parameters are present in the workplace or an area, which of the following is not the most important parameter to be monitored? Water quality Using LD50 as the measure of toxicity, which chemical is the most toxic? Cyanide LD50 of 3 mg/kg 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. 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. True Legally enforceable exposure levels are established by. OSHA (Occupational Safety and Health Administration) TLV is an acronym for. Threshold limit value The most common route of entry for exposure to toxic materials in the work place is?! Inhalation Which of the factors listed, that affect the response of humans and living organisms to toxic chemicals, is time dependent? Dose Acute exposure symptoms may include which of the following? 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 Acute An additive effect is defined as which of the following?
be worn to enter the building.! False Noise is always consideration when evaluating hazards. False Safe work practices are important in hazardous waste operations. True An unsafe condition can also be a physical hazard. True A Job Hazard Analysis is performed to determine which of the following? Unsafe worker conditions An unsafe condition, such as wet floors or broken equipment, could be described as which of the following? Physical hazard Heat stroke and hypothermia are examples of which of the following? Thermal stress Which of the following forms of radiation will generally not penetrate intact skin but can be a serious hazard if ingested or inhaled? Alpha What can you do to protect yourself from Gamma ionizing radiation exposure? Limit 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. True iological effects of acute radiation exposure may include which of the following? All answers are correct Chronic effects of radiation exposure include which of the following? Cancer and cataracts The acronym ALARA stands for which of the following? As low as reasonably achievable Three basic radiation principles used to reduce exposure to ionizing radiation are. Time, distance, shielding Radiation detection and monitoring is crucial for all of the reasons below except which one? Radiation can be detected by the human nose (order) Some atoms in nature occasionally split (fission) and give off radiation True Radiation can be detected and measured with a great deal of precision. True A sheet of paper can block what type of radiation? Alpha Protection from radiation does not include which of the following? Isotope half-life Gamma and X radiation have a LET or QF of 1. True Alpha particles have a QF of 20 and are considered as sever external radiation hazards. False If Level B PPE worn by a worker is contaminated with radiation material that can not be decontaminated then the contaminated Level B PPE can be used in future radiation jobs. False A scintillation radiation instrument is used to detect which of the following types of radiation? X Rays Electricity generation in the USA using nuclear power plants has provided approximately which of the following percent of the net generation? 20%
- Which of the following is the correct inspection schedule for respirators? 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? Remove contact lenses Before a person wears any respirator on the work site, what must be done? Have training on proper respirator use The two types of respirator fit testing are? 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? Air-purifying respirator You must have an emergency pack of air when wearing a supplied air respirator True Select the best answer relating to atmosphere supplied respirators. 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? 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?! Self-contained, positive pressure demand breathing apparatus Only your lungs can be damaged when breathing toxic chemicals. False It is acceptable to wear a dust mask as protection against spray paint vapors. 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. False A person's eyes are better protected by which of the following respirators? 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? A SAR with escape bottle It is permissible to modify a respirator to make a different brand of cartridge to fit the respirator. False Select the incorrect statement relating to respirators. You must wear contact lenses instead of glasses when wearing any type of respirator MUC stands for which of the following? 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. True Positive-pressure atmosphere-supplying respirators are designed to maintain a positive pressure in the facepiece during both inhalation and exhalation. True Chemical "X" has an odor threshold of 150 ppm and a TLV of 75 ppm, what is the significance of this information? 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? Oral temperature, blood pressure, heart rate, body weight loss (water) Using Level C personal protective equipment includes which of the following?! Wearing an air- purifying respirator The Level of Protection that provides the highest degree of respiratory and skin protection against gases and vapors is? Level A A written comprehensive PPE program should include? Medical monitoring, Hazard identification, Decontamination procedures Selection of chemical protective clothing will depend on the chemicals present and the tasks to be accomplished.! True Heat stress on the human body includes both "heat exhaustion" and "heat stroke." Which statement about "heat stroke" is true? 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. True Selection of a chemical resistant glove is intended to protect the wearer. Against specific chemicals Chemical reactions can degrade some protective clothing. True Which of the following factors regarding PPE utilization can the wearer directly control? Type of protective ensemble selected Wearing Chemical Protective Clothing (CPC) prevents what route of exposure to hazardous materials?
Command post, worker rest area, medical station Site security should provide all of the following except? Prevent increased hazards Which is the highest priority during an emergency decontamination involving a chemically contaminated worker who is seriously injured? Immediate emergency treatment of the victim Which of the following situations is the hardest to remove during decontamination? Chemicals permeated into PPE material What is the minimum level of protection that decontamination personnel should wear during decontamination of returning field personnel? One level lower protection as workers in the Exclusion Zone The best decontamination procedure is which of the following? Not to get contaminated at all The decontamination procedure discussed in class has how many steps? 6 steps Decontamination takes place in which of the following zones? Contamination Reduction Zone A Responder's PPE apparel may become contaminated while working at a hazardous substance incident by which of the following? All of the answers are correct Decontamination of equipment and PPE is generally not dependent on which of the following? The overall cost The most important factor to consider when deciding upon decontamination methods is which of the following? The type of contaminant involved A low pressure warning alarm sounds on a SCBA unit, what should the worker do? Signal your partner and get out of the hazard area as soon as possible Decontamination procedures must be developed and implemented. Before anyone enters a hot zone work site A decontamination plan will have which of the following elements? 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? Decontamination of the injured worker before transportation to the hospital Encapsulated suits should be checked for deficiencies before they are used True Protective clothing and respirators can help prevent worker contamination True In an emergency the primary concern is the protection of property False Rescuers do not have to take measures to prevent the spread of contamination False What is the primary purpose of a medical surveillance program? 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? 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? For the term of employment, plus 30 years How often should a Team Member be examined according to federal regulations? 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? 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? The employer Which statement about medical exams is false? 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? Professional medical treatment must be administered as soon as possible Medical program management should encourage employees to participate in which of the following? All of the answers are correct The most effective first aid treatment for heat exhaustion is which of the following? 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? Assessing and assigning the correct site control at the work site Which of the following is not a component of an employee medical program?! Recreation Which of the following is the most serious of the health problem caused by heat? Heat stroke All medical conditions must be reported to the employer by the examining physician whether or not they affect work performance. 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. True
. According to OSHA, employees who are required to wear respirators should have a medical evaluation prior to using a respirator.! True The employer can require that workers take a pre-placement medical examination as a condition of employment True All medical examinations and procedures shall be performed by or under the supervision of a licensed physician, preferably one knowledgeable in occupational medicine. True Alcohol helps to retain body fluid for longer periods of time. False There should be a specific medical program for each hazardous waste site.! True Workers being exposed to a hazardous substance above its PEL value must have a medical examination True In hot environments, wait until you are thirsty before drinking water. False When using portable air monitoring instruments, all of the following are required except which of the following?! Superficially safe Sensitivity is defined as the ability of an instrument to accurately measure which of the following? Changes in concentration A sampling plan for chemical sampling requires that all of the following things are considered except which of the following? How to track sampling data A direct reading instrument provides a reading based on which of the following? Current real time conditions The following are all types of air sampling devices except for which of the following? Noise 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? Due 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% 19.5% If a direct reading instrument indicates the air is 25 percent of the LEL, then you should. Leave the work area immediately A primary purpose of a CGI is to detect which of the following? Flammable atmospheres
False Sample locations do not need to be logged into an official site document. False Over pumping a well can alter groundwater flow or affect the movement of contaminants. 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. 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. 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. False A COLIWASA is a devise used to collect a sample of hazardous wastes, liquids, slurry- type sludge's and semi-solids from drums. True Wells may be purged using a variety of equipment, including a gas pressure displacement system, a submersible pump, and a peristaltic pump. True A split spoon sampler is generally used to sample liquids False Samples taken from within the Exclusion Zone do not follow a written sampling plan. False Lockout/Tagout procedures provide the worker protection from which of the following? 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?! Shock sensitive Causes of leaks in drums include which of the following? 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? 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? Placards "Overpacking" is a term used to describe the act of which of the following? Placing one drum inside another Where would you find the Department of Transportation shipping regulations for hazardous materials? 49 CFR Lockout and tagout of equipment is required for which of the following?! During any maintenance procedure Standing orders apply to which of the following? 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? Immediately leave the area contact a health physicist Tagout of an electrical switch will keep it from being activated. False Workplace hazards can include the following: thermal stress, radiation, noise, UV light, vapors, gasses, particulates, biological, slips, trips, falls, confined space, and excavations.! True Worker stress can result from wearing PPE. True Physical symptoms can include the following: fatigue, dizziness, sweating, headaches, visual difficulties, high lead blood levels, vomiting, and thirst. True Worker cognitive symptoms can include the following: confusion, poor concentration,
disorientation, muscle twitching, memory problems, and nightmares. False Worker emotional symptoms can include the following: depression, anxiety, guilt, denial, grief, fear, irritability, and sense of failure. True Worker behavioral symptoms can include the following: Anger, withdrawal, drug use, emotional outbursts, and depression. False OSHA regulations do not cover worker health and safety concerns. False Confined spaces should be tested for which of the following hazards before an entry? Carbon monoxide, oxygen, flammability, toxicity The OSHA definition for a confined space contains which of the following? Not intended for habitation, limited means of entry and exit, can enter and perform work Which of the following confined space rescue procedures is considered the most advantageous? Self-rescue Whose job responsibility is it to summon emergency medical assistance in the event of a medical problem? Attendant Prior to entering a permit required confined space which of the following should be implemented? Personnel 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? A flammable atmosphere exists Monitoring prior to entering a confined space must be completed in the following sequence: Oxygen deficiency, flammability, toxins The leading cause of death in a confined space is which of the following Oxygen deficiency Written procedures for working in a confined space will provide the step by step procedures for which of the following? All of the answers are correct A permit-required confined space has which of the following? Oxygen levels below 19.5%, A hazardous atmosphere, flammable atmosphere, IDLH atmosphere A permit required confined space has all the following characteristics except? No occupational hazards are present Explosions are the main cause of death in confined spaces. False Rescue workers must have a permit to enter a confined space. False Proper written procedures are important for confined space entry. True In addition to cave-ins, other hazards associated with excavations include which of the following? Water 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? Building structure type The following are methods of protecting workers in excavations except which one of the following? Fencing 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. Every 25 feet of lateral travel OSHA's standards for trenching and excavation can be found in which of the following? 29 CFR 1926. According to OSHA, employers are responsible for which of the following? All of the answers are correct A primary hazard that kills or injuries most workers in excavation work is. Cave-ins An excavation deeper than 20 feet must have the approval of which of the following? A professional engineer The types of soils evaluated to ensure that excavations are as safe as possible is which of the following?
False Training for requirements for on-site emergency personnel should include first aid and CPR. True Site control is not necessary when an uncontrolled hazardous spill occurs resulting in an emergency. False
