EPA Method 8270 PAH Standard Back Catalog number: 92263 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1093.19-K-T 7,10-Dimethylbenz[c]acridine, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2381-40-0 Price on request 677300 Caffeine, 250mg Price on request 1256.7-1ML trans-1,2-Dimethylcyclopentane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 822-50-4 Price on request