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Enviro Health PHC 6313 Final Exam questions n answers
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Enviro Health PHC 6313 Final Exam questions n answers
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Enviro Health PHC 6313 Final Examquestions n answers
Sanitary landfill - correct answer ✔✔a landfill that holds nonhazardous waste such as municipal solid
waste and construction debris; older form of waste management
Hazardous waste - correct answer ✔✔any solid waste which bc of its quantity, concentration, or physical,
chemical or infectious characteristics may:
o Cause or significantly contribute to an increase in mortality or morbidity
o Pose a substantial present or potential hazard to human health or the enviro when improperly treated,
stored, transported, or disposed of
RCRA - Resource Conservation and Recovery Act - correct answer ✔✔Goals of this policy: solid waste
management, reuse of materials, and conservation, identifying and regulating hazardous waste
(production and transport), underground storage tanks performance standards and regulations
Land treatment - correct answer ✔✔sludge from municipal sewage treatment plants is applied into the
soil surface; microbes occurring naturally in the soil break down or immobilize the hazardous contents
Underground injection wells - correct answer ✔✔steel and concrete encased shafts placed deep in the
ground into which wastes are injected under pressure
incineration - correct answer ✔✔"waste to energy"
1) air pollution
2) undermines recycling efforts - correct answer ✔✔2 concerns w incineration
CERCLA - comprehensive environmental response, compensation, and liability act - correct answer
✔✔policy that regulates superfund sites
, Safe drinking water act - correct answer ✔✔policy that monitors the public's drinking water
Clean Water Act - correct answer ✔✔policy that deals with surface waters being polluted
low level radioactive wastes - correct answer ✔✔materials that have become contaminated w
radioactive materials
earth-mounded concrete bunkers - correct answer ✔✔disposal method for nuclear waste
Federal govt - correct answer ✔✔high level radioactive wastes are regulated by ______
non-hazardous waste - correct answer ✔✔typical content: refuse, garbage, sludge, municipal trash
state and local govts - correct answer ✔✔non-hazardous waste is managed by _________
Hazardous wastes - correct answer ✔✔typical contents: solvents, heavy metals, acids, pesticide residues,
incinerator ash
EPA or authorized states - correct answer ✔✔hazardous waste is managed by ________
USNRC (US nuclear regulatory commission) or agreement states - correct answer ✔✔radioactive waste is
handled by _______
USNRC or agreement states - correct answer ✔✔mixed waste is managed by __________
incineration - correct answer ✔✔___________ is used to reduce volume of solid and hazardous waste
and destroying certain toxic chemicals it contains
incineration
heat treatment
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