PCB Congeners (10 ppm) Back Catalog number: 97819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684828 D3-Alternariol, 100 µg/ml, Acetonitrile, 1ml Price on request X9164 Aroclor 1254 Price on request 58039 Yttrium (Y) Price on request