... 1988, 16, 134). Residues determined by hplc (idem, ibid.). Details from Syngenta. MAMMALIAN TOXICOLOGY Oral Acute oral LD50 for male rats ... ). A moderate skin sensitiser (guinea pigs), but negligible risk of sensitisation from formulated product. Inhalation LC50 (4 h) 5 mg/l ... EHC 175 (WHO, 1995). Animals In mammals, a number of hydroxycoumarins are formed. Soil/Environment Degraded in soils (pH 5 ...