4.4'-DDE (13C12), 100µg/ml in n-Nonane, 1,2ml Back Catalog number: S-FC93S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended 33891 a,a,a-Trichlorotoluene Price on request 678495 Pyridaphenthion, 100 µg/ml, Acetonitrile, 5ml Price on request 19049 EPA Method 507 Surrogate Standard Price on request