EPA Method 507 Analyte Mix #8 Back Catalog number: 94131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DD-12378-S 1,2,3,7,8-Pentachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request 681175 Benzylalcohol, 1ml Price on request 676632 Chlorotoluron-desmethyl, 100mg Price on request