or
Rtx*-502.2 GC Column^ For volatile organic compounds, light hydrocarbons, and aromatics. Composition: crossbonded diphenyldimethylpolysiloxane. Range: 0 to 270[degree]C. ID: 0.53mm. Length: 30m. Thickness: 3.00um. For EPA methods 502.2, 524.2, 601, 602, 6