Pesticides Calibration LC-MS/MS Back Catalog number: 98680 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90506 Benzo(e)pyrene,2000µg/ml in methylene chloride,1ml Price on request 72071 Benzidine-d8 Price on request 31471 Trichloroethene Price on request