EPA Method 8270 PAH Standard Back Catalog number: 97742 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1844.14-1G 4-n-Heptylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 38350-87-7 Price on request 676950 Alachlor OA, 100 µg/ml, Acetonitrile, 1ml Price on request 1413.9-1G 2,3,6-Trimethylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2416-94-6 Price on request