chapter 19

Which of the following are problems associated with landfills

-Leachate and methane production

A common characteristic of all hazardous-waste land disposal facilities is that they are

-Long-term storage sights

Which of the following produces the most solid waste

-Manufacturing

Which of the following statements does not describe a problem associated with landfills

-Materials buried in landfills decompose in three years

The methane found in landfills is a gas that

-May be captured and used to produce energy

Making products from recycled materials

-Often saves energy and other resources during the manufacturing process

Which items make up the largest percentage of waste produced by households and businesses

-Paper products

Which of the following is not considered hazardous waste

-Rotting meat and other food waste

Which of the following correctly describes biodegradable plastics

-Some plastics are designed to deteriorate when exposed to sunlight -Plastic that contains sugars can be broken down by soil bacteria -Degradable plastics usually break down into smaller pieces of plastic

Some hazardous waste is disposed of by deep-well injection. This procedure

-Stores wastes in layers of dry rock below the water table

Under the superfund act

-The EPA may sue companies that dump hazardous waste illegally, most of the dangerous toxic dump sites in the US have been cleaned up, companies that cannot afford to clean up their hazardous wastes can have the government pay for the cleanup

Which regulation requires producers of hazardous waste to document how their wastes are handled

-The resource conservation and recovery act

An example of source reduction is

-Using canvas shopping bags

According to the United States Environmental Protection Agency, what percentage of the approved or proposed Superfund sites have been cleaned up

-75 out of 1200

What percentage of the energy is saved by making aluminum cans from recycled aluminum cans

-95%

An example of something that is biodegradable is

-A leaf in a compost pile

Which of the following is a true statement about recycling

-After they are collected, recyclable materials are cleaned and processed

Which of the following is a method of biologically treating hazardous waste

-Allowing bacteria to break down crude oil

Which of the following correctly describes the disposal of waste by composting

-Composting could reduce the amount of waste sent to landfills

The process of composting

-Could effectively handle a variety of wastes

From 1970 to the present, the percentage of waste that is recycled has

-Increased from 6.6 percent to 28 percent

A material is biodegradable if

-It can be broken down by a biological processes

Which of the following is not a requirement for a landfill built today

-It must be a specified distance from a populated area

The main problem with so called biodegradable plastic is that

-It only partially decomposes