1,2,3-Trichloronaphthalene, 1.2ml x 50ug/ml, nonane Back Catalog number: PN-13S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 30197 Method 532 Surrogate Standard Price on request 678510 Tetradifon, 100 µg/ml, Acetonitrile, 5ml Price on request 66077 PCB No. 77, 100µg/ml in Isooctane, 1ml Price on request