Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-LCS-A100 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 91974 EPA Method 507 Pesticide Standard Price on request M13-B-278-CDF 1,3-Dibromo-2,7,8-trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 93539 Volatile Standard - 5X Price on request