EPA Method 8270C Pesticide Mix #20 Back Catalog number: 91003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8655.12-100-NN Dieldrin-random 13C4 Price on request 682375 Closantel, 100 µg/ml, Acetonitrile, 1ml Price on request 93874 L-(+)-Ribose Price on request