Pesticides

Pesticides

Any chemical or substance used to kill or inhibit the growth of pests that damage or interfere with the growth of crops, shrubs, tress, timber and other vegetation useful to humans.

Industry: Agricultural chemicals

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Pesticides

Chronic effect

Agricultural chemicals; Pesticides

An adverse effect on a human or animal in which symptoms recur frequently or develop slowly over a long period of time.

Chronic exposure

Agricultural chemicals; Pesticides

Multiple exposures occurring over an extended period of time or over a significant fraction of an animal's or human's lifetime (Usually seven years to a lifetime.)

Chronic toxicity

Agricultural chemicals; Pesticides

The capacity of a substance to cause long-term poisonous health effects in humans, animals, fish, and other organisms. (See: acute toxicity.)

Circle of influence

Agricultural chemicals; Pesticides

The circular outer edge of a depression produced in the water table by the pumping of water from a well. (See: cone of depression.)

Cistern

Agricultural chemicals; Pesticides

Small tank or storage facility used to store water for a home or farm; often used to store rain water.

Clarification

Agricultural chemicals; Pesticides

Clearing action that occurs during wastewater treatment when solids settle out. This is often aided by centrifugal action and chemically induced coagulation in wastewater.