Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1217.17-200-IO 8-Methyl-7(H)-benzo[c]carbazole, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 117044-44-7 Price on request CPA RD0320101 Phthalate Mix, 18 comp., 1000µg/ml in MeOH, 5ml Price on request 1629.19-10MG 1-Methoxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63020-57-5 Price on request