WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml Back Catalog number: P48-W-ES Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 53096 Alternate Metals 1 Price on request 675301 Chlorfenvinphos, 100 µg/ml, Acetonitrile, 5ml Price on request 8-B-23-CDF 8-Bromo-2,3-dichlorodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request