EPA Method 8240A - Purgeable Surrogate Std Back Catalog number: 24002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96995 VPH Calibration Standard - Draft 01-2012 Price on request 673593 Fenthion, 10 µg/ml, Ethyl acetate, 10ml Price on request 9400.19-25MG Doxepin hydrochloride Price on request