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 683713 Pretilachlor, 100 µg/ml, Acetonitrile, 5ml Price on request 9839.19-K-ME Phenylbutazon, 1000ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-33-9 Price on request MPN-48 2,3,6,7-Tetrachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request