4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml Back Catalog number: S-FC92S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended 70593 Chlorpyrifos methyl Price on request 30070 EPA Method 502/524 Surrogate Standard #1 Price on request 52012 Calibration Standard Mix 3 Price on request