The amount of a chemical to which one is subjected.
The reaction of an organism in response to a particular amount of a stimulus
A gene or gene fragment that activates other genes
The actual contact an individual has with a chemical.
How long an individual is exposed to a chemical
A substance added to food products or to organic solutions to prevent decomposition due to chemical change or bacterial action.
bodies of water that do not meet water quality standards
The taking into the body via the mouth.
The breathing in of a substance in the form of gas, vapor, fumes, or dust.
The amount of a drug that would be fatal in the majority of the people.
The process by which the body breaks toxic chemicals down into nontoxic byproducts.
Something harmful or destructive to nervous tissue including the brain.
Exposure to a drug or other substance that is beyond allowable limits.
medication that is obtained without a prescription
PEL(permissible exposure level)
regulatory limits on the amounts or concentration of a substance in the air (may include skin designation)
chemicals designed to destroy unwanted pests
the capacity of a chemical to produce strong physiological effects
when an organism does not respond to a chemical
An antimicrobial substance
An area designated by the EPA as having a significant amount of contamination due to waste storage/disposal or due to industrial production using toxic chemicals.
The state of being easily affected by a chemical, disease, or other factor
Prepared or created artificially man-made, not found in nature
capable of causing injury or death by chemical means
A scientist who studies the effect of potentially harmful chemicals on living organisms.
TWA (time-weighted average)
employee's average airborne exposure during any 8-hour work shift of a 40-hour week which shall not be exceeded.