Mass-Labelled PCB Solution, 1.2ml x 100ng/ml, nonane Back Catalog number: PCB-IS-A100 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2954.10-100-IO Malathion-d7 (dimethyl-d6;3-d1), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352438-94-9 Price on request 91968 Aroclor 1242 Price on request DF-IS-B40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request