A system and method are provided for mounting, removing and retaining brake pads in disc brakes, such as air-operated disc brakes utilized on commercial vehicles, in a manner which does not require the use of separate brake pad retaining devices while providing positive retention of the brake pad. The clips can be a snapable C-shape, use a screwable post or a spring biased post for attachment to an existing tray. The meat emulsion product comprises a body member including protein and fat and having a plurality of linear strands of fiber-like material affording the meat emulsion product a realistic meat-like appearance. The bioreactor has a downstream aerobic zone from which water is removed and an upstream aerobic zone between the wastewater inlet and the downstream aerobic zone, the upstream and downstream aerobic zones being separated by an anoxic zone. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.