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

Detectable leak rate

Agricultural chemicals; Pesticides

The smallest leak (from a storage tank), expressed in terms of gallons- or liters-per-hour, that a test can reliably discern with a certain probability of detection or false alarm.

Detection criterion

Agricultural chemicals; Pesticides

A predetermined rule to ascertain whether a tank is leaking or not. Most volumetric tests use a threshold value as the detection criterion. (See: volumetric tank tests.)

Detection limit

Agricultural chemicals; Pesticides

The lowest concentration of a chemical that can reliably be distinguished from a zero concentration.

Detention time

Agricultural chemicals; Pesticides

1. The theoretical calculated time required for a small amount of water to pass through a tank at a given rate of flow. 2. The actual time that a small amount of water is in a settling basin, ...