Spiking Standard Kit Back Catalog number: 53068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672906 Permethrin, 250mg Price on request 8-B-23-CDF 8-Bromo-2,3-dichlorodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 676703 Lenacil, 100 µg/ml, Acetonitrile, 1ml Price on request