EPA Method 8260B - Purgeable Internal Std Back Catalog number: 22013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682020 D4-Estrone, 10mg Price on request 72056 n-Dodecane-d26 Price on request 679659 delta-HCH, 10.0 µg/ml, Cyclohexane, 10ml Price on request