GFAA Initial Calibration Verification Back Catalog number: 52315 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10193.26-50-AN JWH-098 N-(5-Hydroxypentyl) metabolite, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 19073 CLP - Acids Matrix Spiking Solution Price on request 51056 ASTM D-5441MTBE Contaminant Low Conc Price on request