GFAA Initial Calibration Verification Back Catalog number: 53315 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C17945000 o-Xylene, 1ml Price on request 38117 93 Octane Gasoline as TPH in Soil Price on request 0362.22-K-IO 3-n-Octadecylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104934-54-5 Price on request