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 70197 Hexachlorobutadiene Price on request S-4032-ASS-IO Methylphenanthrene Index Cocktail 5 Analytes, each concentration as listed in isooctane; units: 1x1mL Relative ratios Chiron No. Name Cas.No by weight: 0 Price on request 79660 Penconazole Price on request