3',4'-Dichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene Back Catalog number: M4H12 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended N-AP-6:2FOSA 6:2 Fluorotelomer sulfonamide alkylamine (6:2 FTAA), 50µg/ml in MeOH, 1,2ml Price on request 23013 EPA Method 8260 - Purgeable Internal Standard Price on request 10020 Herbicide Calibration Check - WS Price on request