EPA Method 502/524 Surrogate Standard #1 Back Catalog number: 30070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673155 Chrysoidine G, 250mg Price on request 681177 Benzovindiflupyr, 10.0 µg/ml, Acetonitrile, 10ml Price on request 676740 D8-4,4'-DDE, 100 µg/ml, Acetone, 1ml Price on request