toxicity

types of effects

different chemicals have different effects

potency

measure of chemicals toxicity

exposure

chemicals can only cause health effects when in contact or enters the body

routes of exposure

• inhalation

• ingestion

• direct contact

dose

amount of substance that enters or come in contact with body

exposure medium

exposure to chemicals occurs when:

• breathing, touch/eat soil, water, food or air with chemicals in it

concentration

amount of chemicals in the medium

acute exposure

short-term contact with the chemical

chronic exposure

long-term/continuous contact with the chemical