PCB Congener Mix #4 Back Catalog number: 94982 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682634 Dimethyl carbonate, 1000mg Price on request 8913.14-100-T 5-Methyl-2,3',4,4'-tetrachlorodipehnylmethane Price on request 3525.4-100-CY Zineb Price on request