Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-LCS-A1 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 676959 Halfenprox, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 92843 EPA Method 525.2 Pesticide Level 4 Price on request BDF-2378 2,3,7,8-Tetrabromodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request