| A | B |
|---|
| chemical | any substance with a defined molecular composition |
| benefits | advantages |
| risks | disadvantages |
| metabolism | the process in which your body breaks down toxic chemicals into nontoxic by-products |
| synthetic chemicals | chemicals that are prepared or created artificially, by man |
| over the counter drugs | OTC drugs, chemicals in the form of medication that can be purchased without prescriptions |
| sanitizer | antimicrobial substance that kills bacteria |
| crop yields | agricultural output |
| food preservatives | substances added to food products to prevent decomposition due to chemical change or bacterial action |
| absorption | to enter in through the skin |
| ingestion | to enter in through the mouth |
| inhalation | to enter in through the mouth or nose in the form of a gas, vapor, fumes, or dust |
| toxin | a poisonous substance, a harmful chemical |
| toxic | capable of causing injury or death through the use of a chemical |
| toxicologist | a scientist who studies the effects of potentially harmful chemicals on living organisms |
| neurotoxin | a chemical that is harmful or destructive to the nervous tissue including the brain |
| dose | the amount of a chemical that is taken into your body |
| exposure time | how long your body is in contact with a chemical |
| potency | the capacity of a chemical to produce strong physiological effects |
| resistant | the chemical has no effect |
| susceptible | the chemical easily affects |
| dose-exposure | the reaction of a living organism in response to a particular amount of a substance |
| lethal | fatal, death |
| permissible exposure level | PEL; the limits on the amounts/concentrations of a sustance in the air |
| time-weighted average | TWA; the allowed exposure time of an employee during an 8 hour work shift of a 40 hour work week that cannot be exceeded |
