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 0863.27-100-IO (20S)-13(17)-Diacholestene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request MDF-23 2,3-Dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 94008 EPA Method 8150 - Methyl Derivatives Price on request