4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678380 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 30128 EPA Method 525 - Semi-Volatile Mixture Price on request 26013 EPA Method 8260B Purgeable Internal Standard Price on request S688767 Succinic Acid-13C4, 10mg Price on request