HSCI 204- Final Exam Questions
and Answer Latest 2026/2027
Update!!!
What are the three categories of solid waste?
Correct Answer: Municipal solid waste (everyday waste
from homes)
Special Waste (medical waste, construction debris)
Hazardous waste (waste with properties that make it
capable of harming human health or environment)
what are the drivers of waste production?
Correct Answer: Rising income, preference for disposable
items, technological obsolescence
What are the methods of solid waste disposal?
Correct Answer: open dumping, landfills, incineration
What is Leachate?
Correct Answer: water that passes through waste and
accumulates waste products, can contaminate
groundwater
What are some potential environmental problems with
landfills?
Correct Answer: Leachate and gases
What are some site considerations for landfills?
Correct Answer: adequate area, available soil coverage
requirements, proximity for surrounding populations
1
,incinerators
Correct Answer: most common in locations with major
space limitations
what is the goal of incinerators?
Correct Answer: reduce the volume of waste and reduce
hazardous characteristics of the waste
what are some environmental concerns over the use of
incinerators?
Correct Answer: air pollution, ash can contain toxic
materials such as some heavy metals
how much was disposed waste in Canada was in landfills?
Correct Answer: 95%
what are some health concerns associated with solid
waste?
Correct Answer: Infectious disease from solid waste,
drinking water contamination, air pollution from landfills
and incinerators
What are some hazardous waste examples?
Correct Answer: pesticides, solvents, paints, radioactive
materials, acids
what are common properties of hazardous waste?
Correct Answer: corrosive, flammable, reactive, toxic
what is e-waste?
Correct Answer: computers, tvs, cell phones
what are some hazardous components of e waste?
Correct Answer: brominated flame retardants and mercury
where does e-waste often end up?
2
, Correct Answer: developing countries, often illegally
where environmental standards and working conditions
are lower
what health impacts does e-waste have on workers?
Correct Answer: dna damage, fasting blood glucose levels,
effects on liver function, male reproductive and genital
disorders as well as effects on sperm quality
what are the health impacts that informal e-waste
recycling has on infants and children?
Correct Answer: adverse health outcomes,
increased/decreased growth, effects on immune system,
effects on lung function, altered neurodevelopment,
hearing lost, rapid onset of blood coagulation,
cardiovascular regulatory changes
Environmental justice
Correct Answer: the fair treatment and meaningful
involvement of all people regardless of race, color,
national origin, or income with respect to the development,
implementation, and enforcement of environmental laws,
regulations, and policies.
What are the 4 considerations of environmental justice?
Correct Answer: distribution of the goods and bags,
distributions of the effects of environmental goods and bad,
access to the policy-making process, administration and
enforcement of environmental protection programs
What are Polychlorinated Biphenyls used for?
Correct Answer: coolants, lubricants in electrical
equipment, insulation, flame resistant
What are the health effects of Polychlorinated Biphenyls
(PCBs)?
3
and Answer Latest 2026/2027
Update!!!
What are the three categories of solid waste?
Correct Answer: Municipal solid waste (everyday waste
from homes)
Special Waste (medical waste, construction debris)
Hazardous waste (waste with properties that make it
capable of harming human health or environment)
what are the drivers of waste production?
Correct Answer: Rising income, preference for disposable
items, technological obsolescence
What are the methods of solid waste disposal?
Correct Answer: open dumping, landfills, incineration
What is Leachate?
Correct Answer: water that passes through waste and
accumulates waste products, can contaminate
groundwater
What are some potential environmental problems with
landfills?
Correct Answer: Leachate and gases
What are some site considerations for landfills?
Correct Answer: adequate area, available soil coverage
requirements, proximity for surrounding populations
1
,incinerators
Correct Answer: most common in locations with major
space limitations
what is the goal of incinerators?
Correct Answer: reduce the volume of waste and reduce
hazardous characteristics of the waste
what are some environmental concerns over the use of
incinerators?
Correct Answer: air pollution, ash can contain toxic
materials such as some heavy metals
how much was disposed waste in Canada was in landfills?
Correct Answer: 95%
what are some health concerns associated with solid
waste?
Correct Answer: Infectious disease from solid waste,
drinking water contamination, air pollution from landfills
and incinerators
What are some hazardous waste examples?
Correct Answer: pesticides, solvents, paints, radioactive
materials, acids
what are common properties of hazardous waste?
Correct Answer: corrosive, flammable, reactive, toxic
what is e-waste?
Correct Answer: computers, tvs, cell phones
what are some hazardous components of e waste?
Correct Answer: brominated flame retardants and mercury
where does e-waste often end up?
2
, Correct Answer: developing countries, often illegally
where environmental standards and working conditions
are lower
what health impacts does e-waste have on workers?
Correct Answer: dna damage, fasting blood glucose levels,
effects on liver function, male reproductive and genital
disorders as well as effects on sperm quality
what are the health impacts that informal e-waste
recycling has on infants and children?
Correct Answer: adverse health outcomes,
increased/decreased growth, effects on immune system,
effects on lung function, altered neurodevelopment,
hearing lost, rapid onset of blood coagulation,
cardiovascular regulatory changes
Environmental justice
Correct Answer: the fair treatment and meaningful
involvement of all people regardless of race, color,
national origin, or income with respect to the development,
implementation, and enforcement of environmental laws,
regulations, and policies.
What are the 4 considerations of environmental justice?
Correct Answer: distribution of the goods and bags,
distributions of the effects of environmental goods and bad,
access to the policy-making process, administration and
enforcement of environmental protection programs
What are Polychlorinated Biphenyls used for?
Correct Answer: coolants, lubricants in electrical
equipment, insulation, flame resistant
What are the health effects of Polychlorinated Biphenyls
(PCBs)?
3
