Gun Shot Residue Back Catalog number: 52326 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59096 EPA Method 300.0 Anions Price on request 673441 Simazine, 100 µg/ml, Acetonitrile, 5ml Price on request 15900-3095-100AN5 MCPB-ethyl, 100µg/ml in Acetonitrile, 5ml Price on request