4,4'-DDD, 10.0 µg/ml, Cyclohexane, 10ml Back Catalog number: 679107 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended M-502-REG-10X-PAK Volatile Mix, 2.0mg/mL in MeOH, 5 x 1ml Price on request 96323 PCB Congeners Price on request 50458 TOC Calibration Standard Price on request