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 673616 beta-HCH, 100 µg/ml, Ethyl acetate, 5ml Price on request 678119 D10-Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml Price on request 10075.5-100MG 2-Methyl-2-(methylnitrosamino)-1-propanol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 27646-81-7 Price on request