EPA Method 8260B Internal Standard Back Catalog number: 22213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676766 Daimuron, 100 µg/ml, Acetonitrile, 1ml Price on request 673487 Bromophos-ethyl, 100 µg/ml, Ethyl acetate, 5ml Price on request 55145 CWA Minerals #2 Price on request