4,4'-DDD, 100 µg/ml, Methanol, 1ml Back Catalog number: 679457 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 91704 EPA Method 502.2 Surrogate Standard Price on request XA10990200AC Carbendazim D4 (ring), Price on request 70442 Methacrylonitrile Price on request