EPA Method 551.1 Standard Back Catalog number: 94519 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684513 Fenbutatin oxide, 10.0 µg/ml, Methanol, 10ml Price on request 13800-0050-1000IO Diallyl phthalate, 1000µg/ml in Isooctane, 5ml Price on request S-FC105S-1.2ML BHC (delta isomer-13C6), 100µg/ml in Nonane, 1,2ml Price on request