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 EPA-1613CSAV Calibration Kit; Alternate Volume, 5 x 200ul, nonane Price on request 681882 2-Phenylhydroquinone, 100mg Price on request 83588 Acifluorfen Price on request