EPA Method 634 Analytes Back Catalog number: 40050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2438.19-K-IO 4-n-Dodecyl-o-cresol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 29665-59-6 Price on request 94193 Supplemental PAH Standard Price on request 38178 Aldehyde Test Mix Price on request