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

anisotropy

Agricultural chemicals; Pesticides

In hydrology, the conditions under which one or more hydraulic properties of an aquifer vary from a reference point.

annular space, annulus

Agricultural chemicals; Pesticides

The space between two concentric tubes or casings, or between the casing and the borehole wall.

antagonism

Agricultural chemicals; Pesticides

Interference or inhibition of the effect of one chemical by the action of another.

antarctic ozone hole

Agricultural chemicals; Pesticides

Refers to the seasonal depletion of ozone in the upper atmosphere above a large area of Antarctica. (See: Ozone Hole.)

anti-degradation clause

Agricultural chemicals; Pesticides

Part of federal air quality and water quality requirements prohibiting deterioration where pollution levels are above the legal limit.

anti-microbial

Agricultural chemicals; Pesticides

anti-microbial, is a substance, or remedy against microbes.

Applicable or Relevant and Appropriate Requirements (ARARs)

Agricultural chemicals; Pesticides

Any state or federal statute that pertains to protection of human life and the environment in addressing specific conditions or use of a particular cleanup technology at a Superfund site,