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

Lifetime exposure

Agricultural chemicals; Pesticides

Total amount of exposure to a substance that a human would receive in a lifetime (usually assumed to be 70 years).

Light Non-Aqueous Phase Liquid (LNAPL)

Agricultural chemicals; Pesticides

A non-aqueous phase liquid with a specific gravity less than 1.0. Because the specific gravity of water is 1.0, most LNAPLs float on top of the water table. Most common petroleum hydrocarbon fuels ...

Light-emitting diode

Agricultural chemicals; Pesticides

A long-lasting illumination technology used for exit signs which requires very little power

Limestone scrubbing

Agricultural chemicals; Pesticides

Use of a limestone and water solution to remove gaseous stack-pipe sulphur before it reaches the atmosphere.

Limit of Detection (LOD)

Agricultural chemicals; Pesticides

The minimum concentration of a substance being analysed test that has a 99 percent probability of being identified.

Limited degradation

Agricultural chemicals; Pesticides

An environmental policy permitting some degradation of natural systems but terminating at a level well beneath an established health standard.

Land disposal restrictions

Agricultural chemicals; Pesticides

Rules that require hazardous wastes to be treated before disposal on land to destroy or immobilise hazardous constituents that might migrate into soil and ground water.