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

Contour strip farming

Agricultural chemicals; Pesticides

A kind of contour farming in which row crops are planted in strips, between alternating strips of close-growing, erosion-resistant forage crops.

Contract labs

Agricultural chemicals; Pesticides

Laboratories under contract to EPA, which analyse samples taken from waste, soil, air, and water or carry out research projects.

Control Technique Guidelines (CTG)

Agricultural chemicals; Pesticides

EPA documents designed to assist state and local pollution authorities to achieve and maintain air quality standards for certain sources (e.g. organic emissions from solvent metal cleaning known as ...

Controlled reaction

Agricultural chemicals; Pesticides

A chemical reaction under temperature and pressure conditions maintained within safe limits to produce a desired product or process.

Conventional pollutants

Agricultural chemicals; Pesticides

Statutorily listed pollutants understood well by scientists. These may be in the form of organic waste, sediment, acid, bacteria, viruses, nutrients, oil and grease, or heat.

Conventional site assessment

Agricultural chemicals; Pesticides

Assessment in which most of the sample analysis and interpretation of data is completed off-site; process usually requires repeated mobilisation of equipment and staff in order to fully determine the ...

Conventional systems

Agricultural chemicals; Pesticides

Systems that have been traditionally used to collect municipal wastewater in gravity sewers and convey it to a central primary or secondary treatment plant prior to discharge to surface waters.