EPA Method 8240A - Purgeable Surrogate Std Back Catalog number: 24002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10864.10-100-ME Serotonin-13C2,15N hydrochloride (ethylamine-13C2,15N),100 µg base/mL,MeOH,1mL Price on request 16130CS3 Calibration Verification Solution , 1mL, nonane Price on request 1943.6-10ML 1,1,1,3,3,3-Hexamethyldisilazane, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. 999-97-3 Price on request