(a) Visible Emissions; Smoke and Equivalent Opacity. No person shall discharge or cause to be discharged, into the atmosphere from any new source of process equipment or fuel burning equipment, approved for installation after the effective date of this Code, emission of any air contaminant whatsoever which is:
(1) Of a shade or density darker than that designated as a Number 1 on the Ringlemann Chart, or
(2) Of such opacity as to obscure an observer’s view to a degree greater than does smoke described in subsection (a)(1) hereof, or
(3) Of a shade or density darker than that designated as Number 2 on the Ringlemann Chart for a period or periods aggregating more than 3 minutes in any one hour, but not to exceed nine minutes in any eight-hour period, or
(4) Of such opacity as to obscure an observer’s view to a degree greater than does smoke described in subsection (a)(3) hereof for a period or periods aggregating more than three minutes in any one hour, or nine minutes in any eight-hour period.
(b) No person shall discharge, or cause to be discharged, into the atmosphere from existing sources of process equipment, fuel-burning equipment or open fire, approved in accordance with Section 1377.11, emission of any air contaminant whatsoever, which is:
(1) Of a shade or density equal to or darker than that designated as a Number 2 on the Ringlemann Chart or,
(2) Of such opacity as to obscure an observer’s view to a degree greater than does smoke described in subsection (b)(1) hereof, or
(3) Of a shade or density equal to or darker than that designated as a Number 3 on the Ringlemann Chart for a period or periods aggregating more than five minutes in any one hour, but not to exceed fifteen minutes in any eight- hour period, or
(4) Of such opacity as to obscure an observer’s view to a degree greater than does the smoke described in subsection (b)(3) hereof for a period or periods aggregating more than five minutes in any one hour, or fifteen minutes in any eight-hour period.
(c) No person shall discharge or cause to be discharged into the atmosphere from any refuse-burning equipment emission of any air contaminant which is darker in shade or density than that designated as Number 1 on the Ringlemann Chart or of such opacity as to obscure an observer’s view to a degree equal or greater than that designated as Number 1 on the Ringlemann Chart for smoke.
(d) No person shall discharge or cause to be discharged into the atmosphere from any diesel vehicle emission of any air contaminant which is darker in shade or density than that designated as Number 1 on the Ringlemann Chart or of such opacity as to obscure an observer’s view to a degree greater than that designated as Number 1 on the Ringlemann Chart for smoke or of a shade or density equal to or darker than that designated as Number 3 on the Ringlemann Chart or equivalent opacity for a period or periods aggregating more than thirty seconds in any three consecutive minutes or four minutes in fifteen consecutive minutes.
(Ord. 1970-69. Passed 7-28-70.)