PCB Congeners (10 ppm) Back Catalog number: 97819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673719 Trifluralin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 71326 1,3-Dibromopropane Price on request 54583 Tin (Sn) Price on request