EPA(美国环保部) 土壤沉积物样品中 多氯联苯(PCBs)和毒杀芬的GC-ECD常规分析SOP
This standard operating procedure (SOP) is applicable to the determination of organochlorine pesticideswith the possible presence of polychlorinated biphenyls (PCBs) or toxaphene in soil/sediment matricesusing a gas chromatograph (GC) with a narrow-bore fused silica column and an electron capture detector(ECD). This SOP is based on Environmental Protection Agency (EPA) MethodsSW846/3500B/3540C/3541/8000B/8081A and those requirements set forth in the latest approved versionof the National Environmental Laboratory Accreditation Committee (NELAC) Quality Systems section.Gel permeation chromatography [GPC] cleanup is required and is based on EPA/SW-846 Methods3600C/3640A. Extracts may be subjected to optional cleanup procedures (florisil, tetrabutylammonium[TBA] sulfite or activated copper powder) based on EPA/SW-846 Methods 3600C/3620B/3660B. Thecompounds of interest and typical reporting limits (RLs) in soil/sediment matrices are found in Table 1,Appendix A.