HW Assignment 11

Hazardous waste accounts for approximately what percent of the U.S. waste stream? A. 1% B. 10% C. 25% D. 50% E. 75%

A. 1%

Which of the following statements about landfills is FALSE? A. Most sanitary landfills in operation today meet current standards for new landfills. B. Landfills produce methane gas. C. Landfills have the ability to contaminate surface water and groundwater. D. Few new landfills are being opened to replace old ones. E. All of these choices are true.

A. Most sanitary landfills in operation today meet current standards for new landfills.

Which of the following forms of hazardous waste is incorrectly paired with its source? A. PCBs - composting B. nerve gas - old military installations C. mercury - metal refining D. CFCs - air conditioners and refrigerators E. dioxins - combustion of chlorine compounds

A. PCBs - composting

The most successful recycling program in the United States involves: A. aluminum cans. B. old computers. C. glass. D. old automobiles. E. paper.

A. aluminum cans.

All of the following are possible problems associated with incineration EXCEPT: A. production of heat to produce electricity. B. air pollution containing mercury. C. particulate air pollution. D. large quantities of toxic ash. E. the release of dioxins.

A. production of heat to produce electricity.

One of the problems associated with sanitary landfills is: A. the possibility of a methane gas explosion. B. leakage of radioactive waste. C. depletion of groundwater. D. transmission of communicable diseases. E. none of these choices is correct.

A. the possibility of a methane gas explosion.

Which of the following should NOT be recycled? A. personal computers B. food scraps C. televisions D. cell phones E. all of these items can be recycled

B. food scraps

The largest dioxin polluters in the United States are probably: A. gas stations. B. hospital waste incinerators. C. nuclear power plants. D. automobiles. E. cigarettes.

B. hospital waste incinerators.

Why are refillable glass beverage bottles rarely used in the United States today? A. increased concerns about disease transmission B. transportation costs of heavy bottles to and from centralized C. bottling plants D. most consumers prefer to purchase disposable containers legislation prohibits bottle reuse E. all of these choices are correct

B. transportation costs of heavy bottles to and from centralized

In 1978, ________ became the first location ever declared a national emergency area because of hazardous waste. A. Hanford, WA. B. Times Beach, MO. C. Love Canal, NY. D. Three-Mile Island, PA. E. Gary, IN.

C. Love Canal, NY.

Which of the following statements about recycling automobiles is FALSE? A. Fluids are drained, recycled, or processed for disposal. B. About 75% of the weight of the car can be reused for parts. C. Recycling the scrap iron and steel actually produces more air pollution than using new materials. D. Recycling plastic is difficult. E. Catalytic converters are disassembled for the platinum and rhodium.

C. Recycling the scrap iron and steel actually produces more air pollution than using new materials.

Tires are a problem in sanitary landfills because they: A. could be melted and reused for new tires instead. B. degrade too quickly, leading to sinking within the landfill. C. collect water and provide a good breeding place for mosquitoes. D. represent the largest component of municipal solid waste. E. all of these choices are correct.

C. collect water and provide a good breeding place for mosquitoes.

The largest single component of municipal solid waste in the United States is: A. food wastes. B. glass. C. paper products. D. plastic. E. yard waste.

C. paper products.

Which of the following statements about dioxins is CORRECT? A. Humans are primarily exposed to dioxins through drinking water. B. Dioxin pollution can be reduced if medical and municipal wastes are incinerated. C. Dioxins are byproducts during the combustion of unleaded automobile fuel. D. Dioxins are known to cause several kinds of cancer in laboratory animals, but data on humans are conflicting. E. Human exposure to dioxins is mostly limited to people living in polar regions.

D. Dioxins are known to cause several kinds of cancer in laboratory animals, but data on humans are conflicting.

Which of the following statements does NOT explain why there are fewer sanitary landfills today than 20 years ago? A. Many landfills closed after they reached capacity. B. Many landfills closed because they did not comply with environmental standards. C. Fewer landfills are needed because newer landfills are generally much larger than in the past. D. Fewer landfills are needed because less municipal solid waste is produced today than in the past. E. Many desirable sites are already taken, and new sites are often opposed by local residents.

D. Fewer landfills are needed because less municipal solid waste is produced today than in the past.

Which of the following correctly identifies one of the goals of waste prevention? A. increased use of disposable items B. decreased dematerialization C. increased consumption D. increased reuse of products E. decreased recycling of packaging materials

D. increased reuse of products

The materials in municipal solid waste that are best for incineration are: A. food wastes, glass, and paper. B. food wastes, paper, and rubber. C. glass, plastics, and paper. D. paper, plastics, and rubber. E. yard wastes, rubber, and plastics.

D. paper, plastics, and rubber.

Green chemistry can play a significant role in waste management by: A. converting radioactive waste into a less harmful byproduct. B. fertilizing plants that can break down hazardous waste into harmless compounds. C. making it more economical to recycle polyethylene terephthalate (PET) plastic. D. reducing the amount of hazardous materials used in industrial processes. E. all of these statements are correct.

D. reducing the amount of hazardous materials used in industrial processes.

Integrated waste management refers to: A. the principle of dilute and disperse. B. national programs of source reduction. C. proper disposal of household hazardous wastes. D. waste management techniques that involve reusing, recycling, and reducing. E. handling problems of household, industrial, and sewage wastes all together.

D. waste management techniques that involve reusing, recycling, and reducing.

Which of the following represent potential markets for compost from municipal solid waste composting programs? A. landscapers B. greenhouses C. golf courses D. farmers E. all of these choices are correct

E. all of these choices are correct