PCB 138, 10.0 µg/ml, Isooctane, 10ml Back Catalog number: 682123 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 30103 EPA Method 551.1 Internal Standard Price on request 678375 Cypermethrin, 100 µg/ml, Acetonitrile, 5ml Price on request 94416 Volatile Standard Price on request