Environmental Hazard and Risk Assessment Concepts Flashcards
(60 cards)
What is Love Canal?
Site of a significant environmental disaster.
What does MSW stand for?
Municipal solid waste from households and businesses.
What is closed loop recycling?
Recycling process that reuses materials indefinitely.
What is cradle to grave analysis?
Assessment of a product’s environmental impact throughout its lifecycle.
What is Thalidomide?
Drug causing birth defects when taken during pregnancy.
What are carcinogens?
Substances that can cause cancer in living tissue.
What are mutagens?
Agents that cause genetic mutations.
What are teratogens?
Substances that cause developmental malformations in embryos.
What are endocrine disruptors?
Chemicals interfering with hormonal systems.
What is BPA?
Chemical used in plastics, linked to health risks.
What does acute exposure mean?
Short-term exposure to harmful substances.
What does chronic exposure mean?
Long-term exposure to harmful substances.
What is thermal inversion?
Weather condition trapping pollutants close to the ground.
What is acid rain?
Precipitation with high levels of sulfuric and nitric acids.
What is a pathogen?
Microorganism causing disease in hosts.
What does LD50 refer to?
Lethal dose for 50% of a test population.
What does ED50 refer to?
Effective dose for 50% of a test population.
What is a sublethal effect?
Effects that do not cause death but impair function.
What is a synergistic interaction?
Combined effect of substances greater than individual effects.
What was the Bhopal gas tragedy?
1984 industrial disaster in India causing thousands of deaths.
What is biomagnification?
Increasing concentration of toxins in organisms higher in food chain.
What is bioaccumulation?
Accumulation of substances in an organism over time.
What is Malathion?
Insecticide used to control pests.
What are phthalates?
Chemicals used to make plastics flexible.