1,2,3,4-Tetrachloronaphthalene, 1.2ml x 50ug/ml, nonane Back Catalog number: PN-27S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 90822 PAH Standard Price on request 82751 EPA Method 8275A Mix #2 Price on request L20016700IO PCB No. 167, 10µg/ml in Isooctane, 10ml Price on request