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

Dibenzofurans

Agricultural chemicals; Pesticides

A group of organic compounds, some of which are toxic.

Drive casing

Agricultural chemicals; Pesticides

Heavy duty steel casing driven along with the sampling tool in cased DP systems. Keeps the hole open between sampling runs and is not removed until last sample has been collected.

An exposed groundwater DP system used to collect multiple depth-discrete groundwater samples. Ports in the tip of the probe connect to an internal stainless steel or teflon tube that extends to the ...

Drop-off

Agricultural chemicals; Pesticides

Recyclable materials collection method in which individuals bring them to a designated collection site.

Dual-phase extraction

Agricultural chemicals; Pesticides

Active withdrawal of both liquid and gas phases from a well usually involving the use of a vacuum pump.

Dump

Agricultural chemicals; Pesticides

A site used to dispose of solid waste without environmental controls.

Duplicate

Agricultural chemicals; Pesticides

A second aliquot or sample that is treated the same as the original sample in order to determine the precision of the analytical method. (See: aliquot.)