EPA Method 601 Internal Standard Back Catalog number: 19094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70989 Phoxim, 1000µg/ml in MeOH, 1ml Price on request A171870 N-Acetyl-S-(carbamoylethyl)-L-cysteine, 97%, 100mg Price on request 673533 4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Price on request