PCB Congeners (10 ppm) Back Catalog number: 98003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673367 Fenthion-sulfoxide, 100 µg/ml, Acetonitrile, 5ml Price on request S-13102A1-1ML Prometon, 100µg/ml in Acetonitrile, 1ml Price on request 678033 Cyclohexane, 5ml Price on request