Business Area means an adjacent area that is zoned by a state, county, township, or municipal zoning authority for industrial or commercial purposes, customarily referred to as "b" or business, "c" or commercial, "i" or industrial, "m" or manufacturing, and "s" or service, and all other similar classifications and that is within a city, village, or charter township or is within 1 mile of the corporate limits of a city, village, or charter township or is beyond 1 mile of the corporate limits of a city, village, or charter township and contains 1 or more permanent structures devoted to the industrial or commercial purposes described in this subdivision and that extends along the highway a distance of 800 feet beyond each edge of the activity. Each side of the highway is considered separately in applying this definition except that where it is not topographically feasible for a sign or sign structure to be erected or maintained on the same side of the highway as the permanent structure devoted to industrial or commercial purposes, a business area may be established on the opposite side of a primary highway in an area zoned commercial or industrial or in an unzoned area with the approval of the state highway commission. A permanent structure devoted to industrial or commercial purposes does not result in the establishment of a business area on both sides of the highway. All measurements shall be from the outer edge of the regularly used building, parking lot, or storage or processing area of the commercial or industrial activity and not from the property lines of the activities and shall be along or parallel to the edge or pavement of the highway. Commercial or industrial purposes are those activities generally restricted to commercial or industrial zones in jurisdictions that have zoning. In addition, the following activities are not commercial or industrial:
Subsurface Borings and Testing means borings, probings and subsurface explorations, laboratory tests and inspections of samples, materials and equipment; appropriate professional interpretations of all the foregoing.
Planning area means a planning area or a development area or a local planning area or a regional development plan area, by whatever name called, or any other area specified as such by the appropriate Government or any competent authority and includes any area designated by the appropriate Government or the competent authority to be a planning area for future planned development, under the law relating to Town and Country Planning for the time being in force and as revised from time to time;
Testing means that element of inspection that determines the properties or elements, including functional operation of materials, equipment, or their components, by the application of established scientific principles and procedures.
Sampling means the selling at a nominal charge or the