Keywords: gas chromatograph, gc, sri, sri instrument, Model 8610, 8610C, 8610D, 310, 410, 110, dual oven gc, 8610 gc, 8610c gc, 8610d gc, 310 gc, standard SRI gc features, peaksimple, data system, chromatography data system, electronic pressure control, EPC, gc detector, gc injector