00545nam a2200181Ia 450000500170000000800410001702000180005803500090007604100080008508200110009310000300010424500820013426000530021630000070026950000090027650500480028565000300033320260808125439.0260808s9999||||xx |||||||||||||| ||und||  a92-4-154081-8  a5029  aENG  a546.13  aWorld Health Organization 0aIPCS (Environmental health criteria no - 021)bchlorine and hydrogen chloride  aGenevabUNEP and World Health Organizationc1982  a95  aGift  aIPCS, chemical safety, inorganic substances  aIPCSbInorganic chemistry