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HAZWOPER FINAL EXAM (ACTUAL 2025/2026)
QUESTIONS A ND ANSWERS LATEST UPDATE
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
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
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Using a combination combustible gas (CGI) indicator and O 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
Colorimetric tubes designed to be used for a specific chemical can be affected by other chemicals present.! - <>>>True
Flame ionization detectors are generally used to detect and measure organic compounds. - <>>>True
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An scintillation radiation monitoring instrument can detect Alpha radiation. - <>>>True
Data obtained from air monitoring instruments is not useful for which of the following? - <>>>Determining which brand of respirator will be used by a worker
Two types of personal sampling systems are which of the following?! - <>>>Passive 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? - <>>>Subpart Z
In addition to mechanical pumps, what else is required in order to get active sampling system results?! - <>>>A laboratory to analyze collection media
The following may be used for passive sampling except for which one? - <>>>Air pump-sample medium samplers
Advantages of passive samplers include all except which of the following? - <>>>A pump is required
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Radiation dosimeters only detect alpha and beta radiation. - <>>>False
Temperature and humidity have no effect on the accuracy (results) of passive samplers. - <>>>False
Calibration is required for all personal monitors. - <>>>False
Personal dosimeters must always be direct reading. - <>>>False
Passive samplers are all direct reading. - <>>>False
Which of the following should be avoided while sampling drums? - <>>>Leaning over one drum to reach another
A sampling plan has all of the following elements except for which of the following? - <>>>Emergency spill response information
Generally samples should be kept at until they are sent to the lab.! - <>>>4° C
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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
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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
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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.!
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
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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? -
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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
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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
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
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Which Act has the primary responsibility for hazardous waste? - <>>>Resource Conservation and Recovery Act (RCRA)
A vertical standard is specific to a particular industry - <>>>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). - <>>>Organizational Structure
The OSHA Hazardous Waste Standard requires that new employees at hazardous waste sites receive which of the following training? - <>>>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? - <>>>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. - <>>>True
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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
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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
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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
