PCB Congeners Back Catalog number: 94990 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32631 Isopropyl ether Price on request 680694 2,5-Dimethylphenol, 100 µg/ml, Acetonitrile, 5ml Price on request 675116 Phorate-oxon, 10.0 µg/ml, Cyclohexane, 1ml Price on request