WorksheetsUnit 7: Wastes and Toxicity
Total questions: 20
Worksheet time: 10mins
Which of these statements best summarizes the effects of CERCLA, also known as "Superfund"?
Hazardous waste was defined as anything acidic or explosive.
Companies that produce hazardous waste must fully account for its storage, transportation, and eventual disposal.
The individuals or companies responsible for a hazardous waste site can be held responsible for its cleanup.
Manufacturers are required to record how dangerous wastes are handled from "cradle to grave."
This disadvantage of a landfill results from water percolating (trickling) over garbage.
leachate
compost
tipping fee
methane
Which part of a sanitary landfill is designed to prevent contamination of groundwater?
methane recovery system
refuse cell
daily soil cover
plastic or clay liner
What would be the consequences if leachate was to leak out of a landfill?
Surface water could become contaminated
Groundwater could become contaminated
Soil could become contaminated
All of these are correct
TRUE OR FALSE: The Resource Conservation and Recovery Act (RCRA) requires that landfills must have a system to collect and monitor leachate.
True
False
leachate and methane
planned obsolescence
Passed in 1976 to regulate both solid (landfills) and toxic/hazardous waste disposal (cradle to grave),
Which organism in the food web shown to the right would contain the LOWEST concentration of chemical pollutants?
producers
primary consumers
secondary consumers
tertiary consumers
Is this an example of biomagnification or bioaccumulation?
Biomagnification
Bioaccumulation
Which of the following substances would be the most dangerous based on its LD50?
Scorpion toxin (0.0043 g/kg_
Aspirin (0.2 g/kg)
Lactose (10 g/kg)
Vitamin C (11.9 g/kg)
When a company purposefully designs their product to be inferior, this is an example of:
E-waste
Planned obsolescence
Waste-to-energy
Toxic colonialism
Which of the following is NOT a top 3 source of toxic waste?
Manufacturing
Agriculture
Nuclear waste and weapons
Medical supplies
The warning label on Clorox bleach instructs users to "avoid breathing vapors and use only in a well-ventilated area." This provides evidence for which route of entry?
Ingestion (oral)
Absorption (skin)
Proximal (close contact)
Inhalation (lung)
The best method to reduce our waste is to stop it at the source (i.e. source reduction). Which of the following would help achieve source reduction?
increased use of single-use plastics
Passed in 1980, this act sets aside money for cleanup of hazardous waste sites that may have been abandoned.
Superfund Act (CERCLA)
Which compound is a flammable, greenhouse gas produced by landfills?
carbon dioxide
methane
sulfur dioxide
leachate
The most desirable method of dealing with hazardous wastes is ____.
incineration
perpetual storage
recycling and reusing hazardous wastes
deposit in ocean trenches
What is a way to prevent poisoning from household products?
Touch the product without protection
Carefully read labels on products
Mix the product with another
