A gas Chromatograph has been coupled to a new rapid scan (20 msec) plasma chromatograph without the use of a molecular separator. The sensitivity, noise, and signal-to-noise ratio for Freons analyzed on the plasma chromatograph were found to be relatively insensitive to changes in the plasma chromatograph carrier and drift gas flow rates, and a unique mass calibration curve for the E-series Freons is reported. The sensitivity of the plasma chromatograph and GC FIDs are compared for Freons and the utility of the plasma chromatograph in identifying GC effluents and peak fractionation is reported. A comparison is made between gas chromatography/plasma chromatography and GC/MS.