EPA Method 8260B - Purgeable Internal Std Back Catalog number: 27013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92974 Surrogate Standard Price on request 31006 Modified 525.2 Pesticide Standard #1 Price on request 678312 Chlorfenvinphos, 10 µg/ml, Acetonitrile, 10ml Price on request