EPA Method 630/630.1 Stock Solution #1 Back Catalog number: 40024 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673877 Chloridazon-desphenyl, 10.0 µg/ml, Acetonitrile, Price on request 0307.23-10MG 6-Methylanthanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 31927-64-7 Price on request 92810 Gas Surrogate Price on request