A process and device for chromatography, such as preparative and analytical supercritical fluid chromatography, or supercritical fluid extraction for a liquid phase SFC collection system that separates and retains eluted components from sample injections. The body has an intermediate cylindrical portion between the rear and forward ends, and the front end of the body defines a cavity. Also, the interference user signal component is removed by an interference canceller. The plurality of shrouds corresponds to the plurality of sealed plug assemblies. Thereafter, if the processor or entity associated with this cache hierarchy issues its own request for this same cache line, the cache hierarchy begins searching the tag store of each level starting with the lowest cache level.