Benzo[ghi]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-24-2

2,4-DB methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 18625-12-2

2,4-Diaminoanisole,100 µg/mL,acetonitrile,1mL,

n-Eicosane, ?13C: -33.06, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 112-95-8