Abstract: An apparatus for process control of a burnishing process comprising a body having a first end and a second end, at least one process control coupon, and structure for attaching the process control coupon to the body. At least one edge of the process control coupon is clamped along the entire length thereof during burnishing. A method of process control for burnishing of components comprising selecting at least one process control coupon, selecting an apparatus for holding the process control coupon(s), attaching the process control coupon(s) to the apparatus, selecting a region on the surface of the process control coupon(s) for burnishing, burnishing a patch on the selected region using a burnishing process, and, measuring at least one physical parameter at a selected location of the process control coupon(s) after burnishing.