EPA Method 525 - PAH Standard Back Catalog number: 19262 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1212.17-200-IO 9-Methyl-7(H)-benzo[c]carbazole, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 117043-89-7 Price on request 57074 Tungsten (W) Price on request 8641.12-50-NN 1,3-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request