EPA Method 8040 - Surrogate Standard Back Catalog number: 80403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679749 Estrone, 250mg Price on request 675392 1,1,2-Trichloroethane, 100 µg/ml, Methanol, 5ml Price on request 94017 Method 515.3 ICS Mix Price on request