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 95209 Glycol Mix Price on request 79249 EPA Method 8330 Analyte Price on request 71292 1-Methylphenanthrene Price on request