EPA Method 630/630.1 Stock Solution #2 Back Catalog number: 40025 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M4M159 2,3,3',4,5,5'-Hexachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene Price on request 92787 EPA Method 8081A Pesticide Standard A Price on request 58550 Tin (Sn) Price on request