EPA Method 8260B - Purgeable Internal Std Back Catalog number: 27013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3340.7-100-AN 4-Chlorobenzyl mercaptan Price on request 675346 Di-n-propyltin dichloride, 1000 µg/ml, Methanol, Price on request 72541 Dimethipin Price on request