ENSC 201 Study Guide - Quiz Guide: Environmental Toxicology, Chemical Hazard, Arsenic

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The probability the hazard will occur under defined conditions (i. e what is the receptor?) (cid:214) when thinking of risk: think of assessment, communication and. Hazard: the ability of a chemical to produce toxicity (a harm or adverse response). Depends on the concentration, toxicity, bioavailability, environmental compartment (soli, water, etc. ) and the environmental mobility (can it change compartments?) The risk depends on the receptor. (humans can tolerate more zinc than fish). Toxicology: studying the way poisons interact with biological systems. Ecotoxicology: ecological effects of chemical toxicity (adverse effects of natural / synthetic pollutants) on ecosystems / animals. *arsenic in yellowkfine they would limit the exposure actively remediate the arsenic trioxide (bury / freeze it), but it would change compartments and leak into the soil / water. Certain biofilm can utilize arsenic as a chemical source (bioremediation). Furthermore, stack emissions released further hazards to lakes and soil.

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