Octachloronaphthalene, 1.2ml x 50ug/ml, nonane Back Catalog number: PN-75S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1124.18-200-T Benzo[1,2-b;4,5-b']bisbenzofuran, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 208-37-7 Price on request 19042 EPA Method 508 Surrogate Standard Price on request 34551 Chlorodifluoromethane Price on request