Spiking Standard #2 Back Catalog number: 53070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92809 EPA Method 8240A Mix #3 Price on request 90124R Aroclor 1221 Price on request 675139 Carfentrazone-ethyl, 10.0 µg/ml, Acetonitrile, 1 Price on request