4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678378 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675515 Bifenazate, 10.0 µg/ml, Cyclohexane, 10ml Price on request 97153 Revised Benzene Standard Mix Price on request 53119 EPA Method 300.0 Anions Method B Price on request