Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-IS-B20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 97617 3,4,5,6-Tetrachloroguaiacol Price on request 674523 PSA-GCB-Mix for 2007.01 per AOAC Price on request 50244 Tuning Solution Low Concentration Price on request