Environmental Health Quiz 3 (ch12) – Flashcards

Paper contributes the following percentage of the total municipal solid waste stream: a) 8-10% b) 30-40% c) 40-50% d) 75% e) 3%

Which of the following statements about incineration is untrue: a) high temperatures deactivate pathogens b) air pollution can be reduced by the use of scrubbers c) usually no attempt is made to sort the trash d) combustion removes all carcinogens and heavy metals e) none of the above

The greatest danger of medical waste is to: a) those who are occupationally exposed onsite b) the general population c) residents near landfills d) personal who work at disposal sites e) none of the above

The primary stage of sewage processing involves: a) settlement of suspended solids b) reduction of nitrates and phosphates c) screening of large solids d) bacterial breakdown of sewage e) disinfection with chlorine

Septic systems can be hazardous because: a) they cannot decontaminate microorganisms present in human waste b) they become clogged frequently ad back up into the house c) they attract disease vectors such as burrowing rodents d) they usually fail after a period of 20-30 years, pollution groundwater e) all of the above

The Love Canal site: a) was a notorious toxic waste site in New York b) led to the creation of the Superfund c) was repopulated in the 1990s d) generated concerns about the health of residents who lived in the area e) all of the above