EPA Method 642 - Analytes Back Catalog number: 40057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12056.12-1MG (+/-)-Clenbuterol-d9 (trimethyl-d9),neat,neat,1mg Price on request 681568 Narasin, 10mg Price on request 675751 Dicrotophos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request