EPA Method 552.1 - Surrogate Standard Back Catalog number: 31057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10526.12-K-ME Clenbuterol hydrochloride Price on request 681811 Pyriofenone, 100 µg/ml, Acetonitrile, 1ml Price on request D1587 3,5-Di-tert-butyl-4-hydroxybenzaldehyde, >98%, 25g Price on request