The invention is to a process for removing contaminants from a compressor andor compressor intercooler in a methanol to olefin separation system. The nonwoven fabric has an average pore size from 30 \u03bcm inclusive to 60 \u03bcm inclusive and a total pore area at 0. An anomaly occurs when an actual data point in the series differs significantly from the data point’s predicted value as generated by the functions. For a wall constructed of thick stones, the base member and base extender are secured together with the anchoring members and the assembly is secured to the substrate. The color content in the color bar may map out the data stream and give indication of the location of anatomical sites as well as possible locations of pathology.