525.2 Perfomance Check Solution

3-Isopropyl-1-methylbenzene (m-Isopropyltoluene), 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 535-77-3

Dalapon methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 17640-02-7

(S)-(-)-Cotinine, 1000µg/ml in MeOH, 1ml