PCB Congeners Back Catalog number: 94830 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79140 Dichlorvos Price on request 8914.14-100-T 6-Methyl-2',3,4,4'-tetrachlorodiphenylmethane Price on request 95406 Aroclor 1254 & Tetrachloro-m-xylene Price on request