EPA Method 8260B - Purgeable Internal Std Back Catalog number: 22013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73448 Quinoxyfen, 1000μg/ml in MeOH, 1ml Price on request 9417.16-250MG Venlafaxine hydrochloride Price on request C14465200 2-Isopropylthioxantone, certified, 0.1g Price on request