EPA Method 551.1 Standard Back Catalog number: 94519 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72866 2-Aminonaphthalene-d7 Price on request 0722.12-K-IO 1,3-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 575-41-7 Price on request 92637 MOE-PAH-1 Price on request