EPA Method 8260B - Purgeable Internal Std Back Catalog number: 22013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677859 Pesticide-Mix 134, 10.0 µg/ml, Acetonitrile, 10m Price on request 71927 Disulfoton sulfone, 1000µg/ml in MeOH, 1ml Price on request 90127 Aroclor 1248 Price on request