dicophane
1. there are not apparent PCBs (polychlorinated biphenyls) owing to lack of typical biotoxicity,and HCH (Hexachlorocyclohexane) and DDT (Dicophane) in organic toxic pollutants are not detected.
有机有毒污染物中没有典型的多氯联苯(PCBs)污染源,PCBs的生物毒性作用不大,六六六(HCH)和滴滴涕(DOT)均有检出。