What is any solid or semi-solid material that is discarded
100
what is waste water?
What is any waste that occurs in or can be changed to liquid form
100
what is hazardous waste?
What is a discarded substance that is or contains a flammable, corrosive, reactive, and/ or toxic substance
100
what are two ways to reduce the amounts of waste?
What is Re-use and Recycle
100
what is one concern with recycling?
What is still need energy
-prices of recycle determined by market
-cross contamination not yet solved
-people must know how to sort their garbage
200
what are the types of solid waste?
What is Agricultural, Industrial, and Municipal
200
where does waste water come from?
What are buildings, pavement and other surfaces
200
Four names of WHIMIS categories
What is Flammable, corrosive, reactive, toxic and infectious
200
what form of hazardous waste is used for deep-well injection?
What is liquid hazardous waste
200
What are the advantages of recycling?
What is less raw materials are used
-encourages greater responsibility
-reduces the prices of waste management
-decreases amount of waste in the system
300
What are the materials of Municipal solid waste
What is paper, organic waste, metal, glass, plastic, other
300
what is sewage?
What are any materials rinsed down a drain or flushed down a toilet
300
what is a persistent pesticide?
What is a pesticide that doesn't breakdown and remains in the environment for a long time
300
What are 4 ways to prevent pollution or waste?
What is
1. reduce the amount of waste at its source
2. recycle wastes whenever possible
3. treat wastes to reduce there hazard or there volume
4. as a last resort, dispose of wastes on land or incinerate them
300
What is composting?
What is a process in which organisms such as worms, insects, and bacteria decompose organic matter
400
how does leachate form?
it forms from the liquid in landfills that comes from organic waste
400
what are the 3 steps for municipal sewage?
What are primary treatment(seperates large solids from waste), Secondary treatment( biological breakdown of dissloved organic compounds), Tertiary Treatment (pass through natural wetland which filters high levels of pollutants)
400
products that can contribute to municipal hazardous waste by the way they are made or discarded
What are electronic devices, batteries, cleaning products, fabrics and plastics
400
Name 2 of the 8 ways to reduce and re-use?
What is stop leaks, re-design processes, re-use waste, prevent spills, concentrate wastes, clean solvents, educate employees, substitute less toxic-raw materials.
400
What are the advantages of composting?
What is rich in nutrients for plants
-decreases amount of waste entering landfills
-makes people more aware of waste they generate
500
what are the three ways of disposing solid waste and at what temperatures do they take place?
What are Incineration: over 850, Pyrolysis: 350-850, Gasification: over 650
500
what are the advantages and disadvantages of combined storm drains and sewers?
Advantage: allows it to undergo treatment before being released into aquatic environments
Disadvantage: heavy rain storms can overload the system and cause untreated sewage to enter the environment
500
what are the effects hazardous substances have on the health of organisms and the environment?
What is toxicity, duration of exposure, amount of exposure, and route of exposure
500
What does EPR stand for?
What is Extended Producer Responsibility. Companies are responsible for the end of life of there product.
500
What are the 4 concerns surrounding composting?
What is
-government suffer from NIMBY
-Produce large amount of leachate that can enter the environment if not collected
-people working in compost may be exposed to harmful concentrations of micro-organisms
-takes a large commitment to compost everyday that some people are not willing to make