United States Environmental Protection Agency / Abbreviations AOAC Association / U.S. Air Force / World Health Organization / HKSAR Government / Hygiene Division / Environmental Hygiene Department / HKSAR Hong Kong Special Administrative Region IARC International Agency for Research / Cancer JECFA Joint FAO/WHO Expert Committee on Food Additives LD50 Lethal / Food and Environmental Hygiene Department / Abbreviations Chapter / Department of Health / Environmental Protection Agency / WHO World Health Organisation Chapter / /