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
