Savannah State University Marine and Envirenmental Sclences Fall Semester 2017 E

Question

Savannah State University Marine and Envirenmental Sclences Fall Semester 2017 ENVS 3621 Environmental Health Mid-Term Esan 10/17/2017 Directions: Select the one which is best in each case and put the answer in the space provided on the Tetal Peints 100 scantron sheet only 1. Commonly used methods of land disposal of toxic wastes do NOT include a). landfills, b). swamp filtration,c). deep well impoundments, d).surface impoundmvents 3. Which of the following methods of disposal of toxic wastes will lead to groundwater contamination? a), surface impoundments, b) landfills, e). deep well injection, d), all of the albove 3. Relativel of in y small but concentrated amounts of toxic chemical wastes are most likely to be disposed a). deep wells, b). surface impoundments, c). landfills, d). all of the above 4. A deep dry layer of porous rock is a necessary feature for a) deep well injection, b). surface impoundments, c). landfills, d). all of the above 5. A severe rain storm could release all the chemical wastes into the environment from a). a deep well, b). a surface impoundment, e). a landfill, d). none of the above. 6. Burrowing animals could present problems in the case of a). surface impoundments, b). shallow wells, e). deep wells, d). none of the above. 7. When they are properly constructed, which of the following can be guaranteed as a safe forever containment of toxic chemical wastes? a). deep wells, b). surface impoundments, e). landfills, d). none of the above. 8. Waste generators which generate less than 100 kg of hazardous waste per month and which accumulate less than 1 kg of actually hazardous waste per month, or which accumulate less than 1000 kg of hazardous waste at any time or less than I kg of actually hazardous waste at any one time are designated as a). conditionally exempt small quantity generators, b).Small quantity generators, c). Large quantity generators, d). Super fund, e). none of the above 9. Waste generators which generate more than 100 kg of hazardous waste or more than 1 kg of actuali hazardous waste per month are designated as a). conditionally exempt small quantity generators, b). Small quantity generators, e),. Waste generators which generate more than 100 kg, but less than 1000 kg of hazardous waste month or less than 1 kg of actually hazardous waste per month, or as accumulating less than 6000 any one time or less than 1 kg of actually hazardous waste at any time are designated as a). conditionally exempt small quantity generators, b). Small quantity generators, c). Large quant generators, d). Super fund, e). none of the above 10.

Explanation / Answer

1. The answer is b=swamp filtration, because it is a water filtration process

2. the answer is d= all the above, all of the given options contribute to ground water contamination

3. the answer is b=surface impoundments

4. the answer is c=landfill

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