EPA Method 8270C Pesticide Mix #20 Back Catalog number: 91003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C17894300 Tris(2-chloroethyl)phosphate, certified, 0.25g Price on request 30401 1,1,2,2-Tetrachloroethane Price on request 12495.16-K-ME Amoxicillin trihydrate, 1000µg/ml in MeOH, 1ml Price on request