RT null T1 Preventive Toxicology: Collection of Training Materials Volume II Part I K1 toxicology K1 chemical K1 air K1 harmful product K1 biological research K1 solvent K1 pesticide K1 occupational health YR 1984 FD 1984 LK https://wedocs.unep.org/handle/20.500.11822/30189 UL https://wedocs.unep.org/handle/20.500.11822/30189 NO The collection is intended for toxicologists, hygienists and all those responsible for evaluation and control of harmful effects of chemicals to human health and the environment. DS UN Environment Document Repository RD Sep 16, 2026