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

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.

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,

Applied dose

Agricultural chemicals; Pesticides

In exposure assessment, the amount of a substance in contact with the primary absorption boundaries of an organism (e.g. skin, lung tissue, gastrointestinal track) and available for absorption.

Aqueous solubility

Agricultural chemicals; Pesticides

The maximum concentration of a chemical that will dissolve in pure water at a reference temperature.

Aquifer

Agricultural chemicals; Pesticides

An underground geological formation, or group of formations, containing water. Are sources of groundwater for wells and springs.

Aquifer test

Agricultural chemicals; Pesticides

A test to determine hydraulic properties of an aquifer.

Aquitard

Agricultural chemicals; Pesticides

Geological formation that may contain groundwater but is not capable of transmitting significant quantities of it under normal hydraulic gradients. May function as confining bed.