EPA Method 8250/8250A Cal Check BNS Back Catalog number: 82507 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10629.12-50-T 1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin Price on request 676134 S-Metolachlor Metabolite CGA 50720, 100 µg/ml, Ac Price on request 50435 ICP Mix Price on request