EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682559 Acetanilide, 1000mg Price on request 10275.18-5MG (±)-Acebutolol-d7 (iso-propyl-d7) hydrochloride Price on request 684251 Dimethenamid-P, 10.0 µg/ml, Acetonitrile, 10ml Price on request