00526nam a2200181Ia 450000500170000000800410001702000180005803500090007604100080008508200120009310000300010524500670013526000530020230000070025550000090026250500450027165000280031620260808125449.0260808s9999||||xx |||||||||||||| ||und||  a92-4-154196-2  a5466  aENG  a547.422  aWorld Health Organization 0aIPCS (Environmental health criteria no - 051)bpropylene oxide  aGenevabUNEP and World Health Organizationc1985  a53  aGift  aIPCS, chemical safety, organic chemicals  aIPCSbOrganic chemistry