WS PAH Calibration Level 4 Back Catalog number: 92605 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3187.18-K-IO Ethyl hexadecanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 628-97-7 Price on request 97625 Phthalate Standard Price on request 40048 EPA method 633 Analytes Price on request