主页|技术标准|US-EPA标准|EPA TO-4A Determination of pesticides and polychlorinated biphenyls in ambient air using high volume polyurethane foam (puf) sampling followed by gas chromatographicmulti-detector detection (GCMD)
EPA TO-4A Determination of pesticides and polychlorinated biphenyls in ambient air using high volume polyurethane foam (puf) sampling followed by gas chromatographicmulti-detector detection (GCMD)
EPA TO-4A Determination of pesticides and polychlorinated biphenyls in ambient air using high volume polyurethane foam (puf) sampling followed by gas chromatographicmulti-detector detection (GCMD)