Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Back Catalog number: PCB-IS-C20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 673986 Chlorpyrifos, 250mg Price on request 673962 Cinmethylin, 10.0 µg/ml, Cyclohexane, 10ml Price on request 33260 Dichloroacetic acid Price on request