ABSTRACT

Amitrole is released into the environment primarily from its applications as a herbicide in weed control. Adsorption of amitrole to hydrosoil may be an important transport mechanism. Amitrole is released into the environment primarily from its applications as a herbicide. Amitrole released to soil is reported to have a resultant average persistence at recommended herbicidal applications of approximately 2 to 4 weeks. Amitrole released to the aquatic environment is not expected to hydrolyze, directly photolyze, volatilize or significantly bioconcentrate in aquatic organisms. The estimated biodegradation half-life of Amitrole in aquatic media is about 40 days. A primary exposure route of amitrole to the general population may occur through oral consumption of contaminated food although food monitoring data is limited. Occupational exposure by dermal and inhalation routes related to the use of amitrole as a herbicide may be significant.