EPA Method 622.1 Analytes Back Catalog number: 40019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0419.16-150-CYX5 n-Hexadecane, ?13C: - 33.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 544-76-3 Price on request 8870.8-K-IO 2-Acetyl-3-ethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 675093 Sodium p-n-tridecylbenzenesulfonate, 10mg Price on request