Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-IS-B20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 12089.7-K-IO 2-Chlorobenzo trichloride,1000 µg/mL,isooctane,1mL, Price on request 70092 Chrysene-d12, 1000µg/ml in Methylen Chloride, 1ml Price on request P-257S Bifenox, 100µg/ml in MeOH, 1ml Price on request