Dust. Dust and other similar types of air pollution borne by the wind from storage areas, mining, quarrying, the removal of natural materials, yards, parking areas or other open area shall be minimized by landscaping, sealing or other acceptable means, but in no instance shall it exceed the standards for fugitive air emissions as contained in Title 25, Chapter 121, of the Pennsylvania Code, as it is amended and adopted.

Particulate Matter. No use shall exceed the national ambient air quality standards established in the Federal Clean Air Act or the requirements of Titles 25 and 35 of the Pennsylvania Code, as they are amended and adopted for particulate manner.

Odor. No operation shall release materials capable of becoming odorous, either by bacterial decomposition or chemical reaction, that cause or will cause odorous matter or vapor to be generated so as to be readily discernible without instruments from any point along the boundaries of each lot.

Smoke or Steam. No use or activity may emit visible emissions with an opacity of more than twenty (20) percent of the outdoor atmosphere for any period or periods totalling more than three (3) minutes in any one (1) hour or more than sixty (60) percent at any one (1) point in time. No use or activity may emit greater amounts of smoke or steam than that permitted by Title 25, Chapter 121 of the Pennsylvania Code, as it is amended and adopted.

Toxic Matter and Hazardous Material. Emissions of chemicals, gases, components or elements, listed as being toxic matter or hazardous material by the American Conference of Governmental Industrial Hygienists, the Pennsylvania Department of Environmental Resources, or the U.S. Environmental Protection Agency, shall not exceed any stated threshold limit value in any industrial district. No emission of toxic matter shall exceed fifty (50) percent of the threshold limit value in any adjacent residential or commercial district.