EPA Method 552,552.1,552.2 Internal Std Back Catalog number: 30105 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79814 Tetramethrin, 1000µg/ml in Acetonitrile, 1ml Price on request 71486 Benzyl mercaptan Price on request 681440 2-Butoxyethyl acetate, 1000mg Price on request