EPA Method 1657 Analytes Back Catalog number: 31784 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680390 D14-Methoxychlor, 10mg Price on request 79546 Butylated hydroxytoluene Price on request 15900-1355-10AN10 Demeton-S-methyl-sulfone, 10µg/ml in Acetonitrile, 10ml Price on request