Mass-Labelled PCB Solution, 1.2ml x 20ng/ml, nonane Back Catalog number: PCB-IS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2072.6-K-IP 2,3,6-Trichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 933-75-5 Price on request 2923.9-100-IOX5 Chlorpyrifos-d10 (O,O-diethyl-d10),100 µg/mL,isooctane,1mL, Price on request 2129.12-K-IO Arochlor 1260 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11096-82-5 Price on request