Copper (Cu) Back Catalog number: 50743 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98131 EPA Method 8141 Standard Rev 1 Price on request 675320 Cinidon-ethyl, 10.0 µg/ml, Acetonitrile, 10ml Price on request 0215.22-100-T Benzo[a]chrysene, 100µg/ml in Toluene, 1ml Price on request