(A) General.
(1) The release of airborne toxic matter from any operation or activity shall not exceed the fractional quantities permitted below of the threshold limit values adopted by the American Conference of Governmental Industrial Hygienists.
(2) If a toxic substance is not listed, verification that the proposed level of toxic matter will be safe and not detrimental to the public health or injurious to plant and animal life will be required. The measurement of toxic matter shall be on the average of any 24-hour sampling period.
(A) All B Zones and the I-UL Zone. In all B Zones and in the I-UL Zone, the release beyond lot lines of airborne toxic matter shall not exceed one-eighth of the threshold limit values.
(B) I-1 and I-2 Zones. In the I-1 and I-2 Zones, the release of airborne toxic matter shall not exceed one-eighth of the threshold limit values beyond zone boundary lines.
(Ord. passed 5-16-2023)