EPA Method 8330 Analyte Back Catalog number: 79074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675137 Carfentrazone (free acid), 100 µg/ml, Acetonitril Price on request 11784.10 1,2,3,5,6,7-Hexachloronaphthalene,,,, Price on request 70139 1,1-Dimethoxyethane Price on request