a) STANDARDS AND REQUIREMENTS - Ambient air quality standards have been established by the Commonwealth of Pennsylvania Air Pollution Control Act, Act of January 8, 1960 (P.L. (1959) 2119, No.), as amended, 35 P.S. 4001 et. seq., and all regulations promulgated from this Act as amended, and are enforced by the Department of Environmental Protection Bureau of Air Quality Control. In order to minimize overlapping regulations, the City adopts these standards as its own; however, to govern situations of a localized nature, the following additional regulations are provided:
1) ODOR THRESHOLD, MEASUREMENTS - Odor threshold is defined as the lowest concentration of odorous matter that produces an olfactory response in normal human beings. Odor thresholds shall be measured in accordance with ASTM d 1931-57 "Standard Method for Measurement of Odor in Atmosphere (Dilution Method)" or its equivalent.
A. RESIDENTIAL, COMMERCIAL, SPECIAL AND LIGHT INDUSTRIAL ZONING -Odorous material released from any operation or activity shall not exceed the odor threshold concentration beyond the lot line as measured either at ground level or habitable elevation.
B. HEAVY INDUSTRIAL DISTRICTS - Odorous materials released from any operation or activity shall not exceed the odor threshold at or beyond the Zoning District boundary line as measured either at ground level or habitable elevation.
2) SMOKE
A. VISIBLE EMISSIONS - A person may not permit the emission of visible air contaminants into the outdoor atmosphere in such a manner that exceed the opacity limits established by the Commonwealth of Pennsylvania under the Air Pollution Control Act, as amended, and all regulations promulgated from this Act, as amended. In addition, a person may not permit the release of any visible emissions into the outdoor atmosphere that are detectable at or beyond the property of the person on whose land the source is being generated, as observed at ground or habitable elevation.