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

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

A water-bearing layer of rock (including gravel and sand) that will yield water in usable quantity to a well or spring.

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.

architectural coatings

Agricultural chemicals; Pesticides

Coverings such as paint and roof tar that are used on exteriors of buildings.

area of review

Agricultural chemicals; Pesticides

In the UIC program, the area surrounding an injection well that is reviewed during the permitting process to determine if flow between aquifers will be induced by the injection operation.