EPA Method 507 - Performance Check Solution Back Catalog number: 19137 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C12120100 trans-Deltamethrin D6, 10mg Price on request 677492 D3-Diflufenican, 100 µg/ml, Acetonitrile, 1ml Price on request 96962 CLP Semi-Volatile PAH LCS Price on request