Mono-ethyl phthalate (ring-1,2-13C2,99%, dicarboxyl-13C2,99%) 100 µg/mL in MTBE

2,3,3',4,5',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

n-Tetracosane, ?13C: -26.42, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 646-31-1

PAH Calibration solution CS4, in IO/TO, 1ml