Mass-Labelled PCB Solution , 1.2ml x 20ng/ml, nonane Back Catalog number: PCB-SS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 93126 EPA Method 622/8140 - Analytes Price on request 90981 Pyrene Price on request 97800 N,N-Dimethylformamide Price on request