Trifluralin (I, a, a, a-trifluoroS, 6-dinitro-N, N-dipropyl-p-toluidine) is a fluorinated herbicide heavily used (> 1.4 rtion million pounds in 1991) in California to control a variety of grasses and broadleaf weeds. It is known to be photodegraded rapidly to a number of products in water (Leitis and Crosby, 1974) and air (Soderquist et al., 1975). The trifluoromethyl group has proven to be extremely resistant to degradation, with only trace amounts of the ...
