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CHMM Practice Exam
Under FIFRA, which of the following is incorrect? a. restricted pesticides are readily available for purchase by any consumer b. restricted pesticides are restricted for commerical use c. restricted pesticides can only be applied by a certified applicator d. restricted pesticides must be accompanied by an MSDS. - CORRECT ANSWER-a. restricted pesticides are readily available for purchase by any consumer The objective of TSCA is: a. prevention of problems from use of chemicals b. prevention of problems from use of wastes c. prevention of problems from use of petroleum d. prevention of problems from use of explosives - CORRECT ANSWER-a. prevention of problems from use of chemicals (Toxic Substances Control Act) A cone of depression occurs: a. during soil vapor extraction b. during air sparging c. during ground water extraction d. near landfills due to a drop in housing prices - CORRECT ANSWER-c. during ground water extraction Ground water velocity is the lowest in which of the following soils? a. clay b. silt c. sand d. gravel - CORRECT ANSWER-a. clay Darcy's Law is used to determine: a. velocity of ground water flow b. velocity of radon gas in the vadose zone c. velocity of air through soil d. velocity of air in the saturated zone - CORRECT ANSWER-a. velocity of ground water flow Which of the following statements regarding oxidation is always correct? a. oxygen must be a chemical reactant for an oxidation reaction to occur b. oxidation is a violent reaction that always produces heat and light c. oxidation always results in at least one electron being transferred from one atom to another
d. the valence of the atom is reduced occurs when it gives up an oxidation electron - CORRECT ANSWER-c. oxidation always results in at least one electron being transferred from one atom to another Which of the following seven steps for preparing hazardous materials for transport is in the correct order? a. proper shipping name, classify, package, mark, label, paperwork, placard b. classify, proper shipping name, package, mark, label, paperwork, placard c. package, classify, proper shipping name, mark, label, paperwork, placard d. package, mark, label, classify, proper shipping name, paperwork, placard - CORRECT ANSWER-b. classify, proper shipping name, package, mark, label, paperwork, placard Boiling Point is the temperature at which: a. the vapor pressure of a solid just equals atmospheric pressure b. the vapor pressure of a liquid is greater than atmospheric pressure c. the vapor pressure of a liquid is less than atmospheric pressure d. the vapor pressure of a liquid just equals atmospheric pressure - CORRECT ANSWER-d. the vapor pressure of a liquid just equals atmospheric pressure Flash point is the: a. maximum temperature of a liquid at which it give off vapors sufficient to form an ignitable mixture with air b. maximum temperature of a liquid at which it gives off vapors sufficient to form an ignitable mixture with water c. minimum temperature of a liquid at which it gives off vapors sufficient to form an ignitable mixture with air d. minimum temperature of a liquid at which it gives off vapors sufficient to form an ignitable mixture with water - CORRECT ANSWER-c. minimum temperature of a liquid at which it gives off vapors sufficient to form an ignitable mixture with air BLEVE is the acronym for: a. Boiling Liquids Evaporate Very Expensively b. Boiling Liquids Erode Very Efficiently c. Boiling Liquids End Vapor Explosions d. Boiling Liquid Expanding Vapor Explosion - CORRECT ANSWER-d. Boiling Liquid Expanding Vapor Explosion Cobalt-60 has a 5 year half life. If the initial activity of a Cobalt-60 source is 20 mCi, what is the activity after 10 years in mCi? a. 5 b. 0 c. 2 d. 10 - CORRECT ANSWER-a. 5
d. all of the above - CORRECT ANSWER-d. all of the above Which federal statute regulates both stationary and mobile pollutant sources? a. TSCA b. CAA c. CWA d. SDWA - CORRECT ANSWER-b. CAA (Clean Air Act) In mg/m3, what is equivalent to 100 ppm for a gas with a molecular weight of 24.45? a. 1 b. 10 c. 100 d. 1000 - CORRECT ANSWER-c. 100 RCRA characteristic wastes are: a. corrosive only b. reactive and ignitable only c. ignitable and corrosive only d. toxic, ignitable, reactive or corrosive - CORRECT ANSWER-d. toxic, ignitable, reactive or corrosive A UST is defined as "any one or combination of tanks which is used to contain an accumulation of regulated substances, and the volume of which including the volume of underground pipes connected thereto is": a. Twenty percent or more beneath the surface of the ground b. One hundred percent beneath the surface of the ground c. Fifty percent or more beneath the surface of the ground d. Ten percent or more beneath the surface of the ground - CORRECT ANSWER-d. Ten percent or more beneath the surface of the ground For a 40-hour work week, TLV is: a. the airborne concentration of a substance with specified conditions under which it is believed that nearly all workers may be exposed day after day without adverse effects b. the airborne concentration of a substance set by OSHA as an enforceable standard which may not be exceeded c. the lowest dose of a substance introduced by any route other than inhalation, over a given period of time, and reported to produce any toxic effect in humans or carcinogenic, neoplastigenic, or teratogenic effects in animals or humans d. is the dose of a material at which 50 percent of test animals die. - CORRECT ANSWER-a. the airborne concentration of a substance with specified conditions under which it is believed that nearly all workers may be exposed day after day without adverse effects
What should be done if the large quantity generator does not receive a final copy of the manifest from the disposal facility? a. nothing, the generator is not responsible b. change disposal facilities c. contact the disposer within 35 days after shipping & file within 45 days d. none of the above - CORRECT ANSWER-c. contact the disposer within 35 days after shipping & file within 45 days RCRA solid waste definition doesn't include: a. a solid or liquid material which is being discarded b. a semi-solid material which is being discarded c. a contained gaseous material which is being discarded, d. domestic sewage and any mixture of domestic sewage and other wastes that pass through a sewer system to a publicly-owned treatment works - CORRECT ANSWER-d. domestic sewage and any mixture of domestic sewage and other wastes that pass through a sewer system to a publicly-owned treatment works A due diligence assessment: a. is required by EPA for all real estate transactions b. is always expensive and is always required by the lender c. can be cost effective and help minimizes future liability d. must always adhere to ASTM standards - CORRECT ANSWER-c. can be cost effective and help minimizes future liability Which of the following is not a physical environmental stressor in the workplace? a. oxidation-reduction b. noise c. radiation d. vibration - CORRECT ANSWER-a. oxidation-reduction Vehicles required to be placarded by DOT must display the specified placards a. Wherever they can be seen on the vehicle b. On the front, sides and rear of the vehicle c. On the front and rear bumpers of the vehicle d. On the sides of the vehicle - CORRECT ANSWER-b. On the front, sides and rear of the vehicle LDR is an acronym for: a. lowest daily regulation b. least daily radiation c. lethal dose residual d. land disposal restrictions - CORRECT ANSWER-d. land disposal restrictions In addition to FIFRA, the ________ also regulates pesticide residues in food? a. HMTA of 1975 b. HSWA of 1984
d. is the dose of a material at which 50 percent of test animals die. - CORRECT ANSWER-d. is the dose of a material at which 50 percent of test animals die. PEL is: a. the airborne concentration of a substance with specified conditions under which it is believed that nearly all workers may be exposed day after day without adverse effects b. the airborne concentration of a substance set by OSHA as an enforceable standard which may not be exceeded c. the lowest dose of a substance introduced by any route other than inhalation, over a given period of time, and reported to produce any toxic effect in humans or carcinogenic, neoplastigenic, or teratogenic effects in animals or humans d. is the dose of a material at which 50 percent of test animals die. - CORRECT ANSWER-b. the airborne concentration of a substance set by OSHA as an enforceable standard which may not be exceeded In the USDOT Shipping Description, the packaging group number is an indication of: a. the size of the hazmat packaging b. the weight of the hazmat packaging c. the degree of danger the material presents d. the size and weight of the hazmat packaging - CORRECT ANSWER-c. the degree of danger the material presents USDOT Safety Training is intended for: a. only warehouse workers, packers, and drivers b. only those involved with packaging, labeling, and placarding c. drivers only d. everyone who handles, prepares for transportation or transports hazardous materials
- CORRECT ANSWER-d. everyone who handles, prepares for transportation or transports hazardous materials Which of the following is not considered an essential element of a Quality Assurance Project Plan (QAPP)? a. Chemistry data validation & reporting b. Specific routine procedures to assess data precision, accuracy, and completeness c. Public hearings for chemistry data disclosure d. Internal quality control checks - CORRECT ANSWER-c. Public hearings for chemistry data disclosure What are some of the drawbacks of relying on the printed Code of Federal Regulations as sole source of applicable regulatory requirements? a. State requirements can be more stringent b. CFR printing schedule is such that many recently effective requirements are not incorporated until the following year's CFR edition c. Many environmental regulations take effect within 90 days of publication of the final rule in the Federal Register d. All the above - CORRECT ANSWER-d. All the above
Which of the following is regulated under the National Ambient Air Quality Standards? a. acid rain b. carbon monoxide c. pesticide vapors d. smog - CORRECT ANSWER-b. carbon monoxide Occupational exposure to asbestos fibers has not been linked with: a. mesothelioma (lung cancer/malignancy) b. pleural effusion (collection of fluid in the lung) c. asbestosis (white lung) d. melanoma (skin cancer) - CORRECT ANSWER-d. melanoma (skin cancer) PACM is: a. performance air conditioning methods b. potentially acute chronic membranes c. post atomic containerized mechanisms d. presumed asbestos containing material - CORRECT ANSWER-d. presumed asbestos containing material Which of the following major organ systems and toxins that impact them is incorrect? a. auditory system - organic solvents b. cardiovascular system - heavy metals, halogenated hydrocarbons, uranium c. central nervous system - solvents, mercury, lead, manganese d. dermal system - organic solvents, corrosives, acids, alkalis, nickel - CORRECT ANSWER-d. dermal system - organic solvents, corrosives, acids, alkalis, nickel A corrosive is: a. any material that will corrode any living tissue with which it comes into contact b. any material that will attack and destroy by chemical action, any living tissue with which it comes into contact c. any material that will attack and destroy, by mechanical action, any living tissue with which it comes into contact d. any material that will not attack and/or destroy, by chemical action, any living tissue with which it comes into contact - CORRECT ANSWER-b. any material that will attack and destroy by chemical action, any living tissue with which it comes into contact DOT Labels and DOT Markings: a. are the same thing when used for transporting goods b. are not required when a placard is in place c. are different methods of communicating hazards on packages d. are different: labels are for non bulk packages and marks are for bulk packages - CORRECT ANSWER-c. are different methods of communicating hazards on packages The five key elements used to classify all hazardous material response activities are: a. hot, medium, warm, lukewarm, and cold b. recognition, evaluation, control, information, and safety
Multimedia environmental inspections would include which of the following statutes? a. CWA/CAA/RCRA b. TSCA/FIFRA/NEPA c. CERCLA/SARA/EPCRA d. All of the above - CORRECT ANSWER-a. CWA/CAA/RCRA Which of the following major organ systems and toxins that impact them is incorrect? a. musculoskeletal system - dioxins, dibenzofurans, polychlorinated biphenyls b. renal system (kidneys) - heavy metals, halogenated hydrocarbons, uranium c. reproductive system - DBCP pesticide, alcohols, lead and carbon monoxide d. respiratory system - asbestos, silica, cotton fibers, coal dust, and hydrogen sulfide - CORRECT ANSWER-a. musculoskeletal system - dioxins, dibenzofurans, polychlorinated biphenyls Common law is: a. a body of rules and procedures designed to govern and protect persons and properties b. sometimes referred to as "court-made" law c. as real as any law passed by any legislative body d. all of the above - CORRECT ANSWER-d. all of the above Toxic torts include: a. nuisance, trespass, negligence and strict liability b. hazard abatement, projectile assault and personnel battery c. pest control, hazard control and numerical controls d. strict control, nuisance control and administrative controls - CORRECT ANSWER-a. nuisance, trespass, negligence and strict liability Which of the following is incorrect? a. DOT considers hazardous materials to be a subset of hazardous waste b. DOT regulations minimize dangers to life and property during transit c. EPA regulations protect human health and the environment d. DOT uses "shipper" and "transporter" instead of "generator" and "transporter" - CORRECT ANSWER-a. DOT considers hazardous materials to be a subset of hazardous waste Which of the following is not a DOT Hazard Class? a. Flammable Liquid b. Ignitable Liquid c. Combustible Liquid d. Poisonous Gas - CORRECT ANSWER-b. Ignitable Liquid Which of the following is not a DOT Hazard Class? a. Friable Solid b. Flammable Solid c. Infectious Substance d. Radioactive Material - CORRECT ANSWER-a. Friable Solid
Which of the following DOT priority ranking of hazard classes is out of order? a. explosive, organic peroxide, infectious substance, poison gas, combustible liquid b. explosive, desensitized explosive, poison gas, miscellaneous hazardous material c. explosive, poisonous gas, flammable gas, pyrophoric, combustible liquid d. organic peroxide, explosive, poison gas, poison by inhalation, self-reactive - CORRECT ANSWER-d. organic peroxide, explosive, poison gas, poison by inhalation, self-reactive Which federal environmental statute specifically addresses both point and non-point sources of pollutants? a. RCRA b. WQC/CWA c. CAA d. CERCLA - CORRECT ANSWER-b. WQC/CWA Within the incident response system, who is the most important decision maker? a. SERC liaison b. Incident commander c. The Official EPA on-site representative d. LEPC Coordinator - CORRECT ANSWER-b. Incident commander About how many gallons of distilled water must be added to 1 gallon of pH=4 leachate in order to adjust the pH to 6? a. 3 b. 9 c. 90 d. 900 - CORRECT ANSWER-c. 90 Which of the following chemicals does not pose an "unreasonable risk" under TSCA? a. TNT b. TCDD c. CFC d. PCB - CORRECT ANSWER-a. TNT Which of the following is not specifically defined as a release under CERCLA? a. leaching b. leaking c. mitigating d. emptying - CORRECT ANSWER-c. mitigating Priority pollutants are regulated by: a. CWA b. CAA c. SARA d. SDWA - CORRECT ANSWER-a. CWA
The Asbestos Hazard Emergency Act (AHERA) applies to: a. Public and private elementary and secondary schools b. Commercial buildings open to the general public c. All government-owned or occupied buildings regardless of exposure d. All industrial buildings where asbestos workers could be exposed - CORRECT ANSWER-a. Public and private elementary and secondary schools Laboratory Analytical QA Objectives would not include: a. calibration b. comparability c. precision and accuracy d. representativeness and completeness - CORRECT ANSWER-a. calibration Which of the following is incorrect? a. source reduction reduces the amount of waste exiting from a process b. waste minimization is the reduction of total volume or quantity of hazardous waste c. waste minimization is the reduction of toxicity of hazardous waste d. waste minimization is always preferred over source reduction - CORRECT ANSWER- d. waste minimization is always preferred over source reduction Which waste treatment technology is not used to separate and concentrate contaminants? a. thermal desorption b. incineration c. carbon absorption d. solvent distillation - CORRECT ANSWER-b. incineration Which treatment technology is not used to destroy or detoxify waste? a. chemical dechlorination b. biological decomposition c. thermal oxidation d. in-situ soil washing - CORRECT ANSWER-d. in-situ soil washing Which of the following is the last line of defense for the employee (worker)? a. engineering controls b. workplace controls c. personal protective equipment d. standard operating procedures - CORRECT ANSWER-c. personal protective equipment Which of the following is a waste volume reduction process? a. Dewatering sludge with a filter press b. Containerization of the waste material prior to transportation c. Solidification of free liquids with an inert absorbent d. Decanting separate phases of hazardous materials from a storage tank - CORRECT ANSWER-a. Dewatering sludge with a filter press
DOT regulations require reporting of certain hazardous material incidents. Which of the following situations would trigger DOT incident reporting requirements? a. RQ release of any hazardous substance b. Property damage from a release of hazardous materials that exceeds $50, c. Motor vehicle transporter safety violations are detected at a weight station inspection d. Hazardous materials safety violations resulting in an out of service order - CORRECT ANSWER-b. Property damage from a release of hazardous materials that exceeds $50, CERCLA addresses which of the following environmental issues? a. Release of air toxics at an operating TSD facility b. Site contamination created by past activities c. Generation and disposal of hazardous substances d. Prevention of future site contamination through Superfund development grants - CORRECT ANSWER-b. Site contamination created by past activities Which of the following is not a Category I potentially infectious material? a. saliva in dental procedures b. semen c. vaginal secretions d. vomitus which is not visibly contaminated with blood - CORRECT ANSWER-d. vomitus which is not visibly contaminated with blood Which of the following is not a respiratory hazard? a. grain dust b. zinc fumes c. paint mists d. none of the above - CORRECT ANSWER-d. none of the above Which respirator type provides the worker with his own supply of respirable air so he can move about with great freedom over an extended area? a. air purifying b. supplied air c. SCBA d. all of the above - CORRECT ANSWER-c. SCBA If a material has a specific gravity less than 1.0 it will: a. float on water b. sink in water c. release toxic gases, a large amount of heat and cause a fire or explosion d. transfer electrons between positive cations and negative anions - CORRECT ANSWER-a. float on water When conducting an EHS incident investigation, which of the following would be the most effective approach:
b. Less than 2.5 centimeter (1 inch) remains c. Less than 3% by weight if less than 110 gallon container d. Less than 0.3% by weight if more than 110 gallon container - CORRECT ANSWER- a. Triple rinsing of container with a suitable solvent For a hazardous waste satellite accumulation area (SAA), which of the following does not apply? a. SAA is defined as an area at or near any point of generation where waste initially accumulates b. Waste container can remain indefinitely in SAA until 55 gallons is accumulated c. Waste container must be closed at all times, except when actually adding waste d. Date indicated on the container is the waste accumulation start date - CORRECT ANSWER-d. Date indicated on the container is the waste accumulation start date Which of the following is not considered to be a universal waste? a. Used Oil/Solvent mixtures b. Alkaline batteries c.Mercury thermostats and fluorescent light bulbs d. Pesticides - CORRECT ANSWER-a. Used Oil/Solvent mixtures Occupational Roentgen Equivalent Man (Rem) dose limitation allowed for a worker employed for 10 years at a nuclear waste handling facility is? a. 50 Rem b. 25 Rem c. 10 Rem d. 5 Rem - CORRECT ANSWER-a. 50 Rem Which of the following is not one of the three corollaries typically applied by toxicologists to their dose-response studies of hazardous materials? a. When molecular receptor sites are available for chemical interaction, a response is produced when interaction occurs b. Concentration at receptor site is related to the dose c. No observable effect response (NOEL) occurs whenever toxicology data is not available d. Production and degree of response are related to concentration at receptor site - CORRECT ANSWER-c. No observable effect response (NOEL) occurs whenever toxicology data is not available
