EPA Method 1657 Analytes Back Catalog number: 31784 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684690 D8-4,4'-DDD, 100 µg/ml, Acetone, 1ml Price on request 72451 Flumetsulam Price on request 681877 Flamprop-methyl, 100 µg/ml, Acetonitrile, 5ml Price on request