Agricultural chemicals

Agricultural chemicals

Includes chemicals designed for agricultural use for protection of crops from fungus and insects, as well as for the growth and protection of plants.

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Agricultural chemicals > Pesticides

Lethal Concentration 50 (LC 50)

Agricultural chemicals; Pesticides

A concentration of a pollutant or effluent at which 50% of the test organisms die; a common measure of acute toxicity.

Lethal Dose 50 (LD 50)

Agricultural chemicals; Pesticides

The dose of a toxicant that will kill 50% of test organisms within a designated period of time. The lower the LD 50, the more toxic the compound.

Lowest Observed Adverse Effect Level (LOAEL)

Agricultural chemicals; Pesticides

The lowest dose in a toxicity study resulting in adverse health effects.

Master Record Identification Number (MRID)

Agricultural chemicals; Pesticides

A unique cataloging number assigned to an individual pesticide study at the time of its submission to the Agency.

Material Safety Data Sheet (MSDS)

Agricultural chemicals; Pesticides

Printed material concerning a hazardous chemical, or Extremely Hazardous Substance, including its physical properties, hazards to personnel, fire and explosion potential, safe ...

Maximum Contaminant Level Goal (MCLG)

Agricultural chemicals; Pesticides

The maximum level of certain contaminants permitted in drinking water supplied by a public water system as set by EPA under the federal Safe Drinking Water Act.