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

association of boards of certification

Agricultural chemicals; Pesticides

An international organization representing boards which certify the operators of waterworks and wastewater facilities.

attainment area

Agricultural chemicals; Pesticides

An area considered to have air quality as good as or better than the national ambient air quality standards as defined in the Clean Air Act. An area may be an attainment area for one pollutant and a ...

attenuation

Agricultural chemicals; Pesticides

The process by which a compound is reduced in concentration over time, through absorption, adsorption, degradation, dilution, and/or transformation. an also be the decrease with distance of sight ...

attractant

Agricultural chemicals; Pesticides

A chemical or agent that lures insects or other pests by stimulating their sense of smell.

attrition

Agricultural chemicals; Pesticides

Wearing or grinding down of a substance by friction. Dust from such processes contributes to air pollution.

availability session

Agricultural chemicals; Pesticides

Informal meeting at a public location where interested citizens can talk with EPA and state officials on a one-to-one basis.

available chlorine

Agricultural chemicals; Pesticides

A measure of the amount of chlorine available in chlorinated lime, hypochlorite compounds, and other materials used as a source of chlorine when compared with that of liquid or gaseous chlorines.