EPA Method 525.2 Pesticide Level 4 Back Catalog number: 92843 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3624.27-10MG 5 alpha(H)-Cholestan-3-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 566-88-1 Price on request 676233 Endosulfan-sulfate, 100 µg/ml, Cyclohexane, 1ml Price on request 21061 CLP Pesticide Lab Control Standard Price on request