EPA Method 8260 C-19 Standard Back Catalog number: 93256 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673874 Azoxystrobin Metabolite R401553, 10.0 µg/ml, Acet Price on request 677423 Zolpidem tartrate, 10mg Price on request MDD-12346789 Octachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request