RT Report T1 Cypermethrin Health and Safety Guide: Health and Safety Guide No. 22 A1 United Nations Environment Programme, A1 International Labour Organisation, A1 International Programme on Chemical Safety, K1 chemical K1 health K1 environmental health K1 chemical safety K1 health hazard K1 Health SN 924 154344 2 YR 1989 FD 1989 LK https://wedocs.unep.org/handle/20.500.11822/30725 UL https://wedocs.unep.org/handle/20.500.11822/30725 NO This is a companion volume to Environmental Health Criteria 82: Cypermethrin. The Environmental Health Criteria (EHC) documents produced by the International Programme on Chemical Safety include an assessment of the effects on the environment and on human health of exposure to a chemical or combination of chemicals, or physical or biological agents. They also provide guidelines for setting exposure limits. Cypermethrin is the ISO name for the pure raceniic compound, consisting of 8 stereo isomers. The technical products commonly available contain more than 90% cypermethrin and the ratio of cis to trans isomers varies from 50:50 to 40:60. DS UN Environment Document Repository RD Sep 17, 2026