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 Orange County
 Code of Ordinances
 Chapter 38. ZONING
 Article X. PERFORMANCE STANDARDS

  § 38-1452. Smoke and particulate matter.  

Latest version.

  • (a)

    No operation or use in the C-3 commercial district or the I-1, I-2 or I-3 industrial districts shall discharge into the atmosphere from any single source any air contaminant which is:

    (1)

    Equal to or greater than the density designated as Number One on the Ringelmann Chart. Measurement shall be made at the point of emission;

    (2)

    Of such opacity as to obscure an observer's view to a degree equal to or greater than the standard described in (1) above, except that when the presence of uncombined water is the only reason for failure to comply, the standards prescribed above shall not apply;

    (3)

    However, when a fire box, boiler or combustion device is cleaned or a fire is being started therein, air contaminants, the density of which is equal to Number One on the Ringelmann Chart, may be permitted for a period not to exceed a total of four (4) minutes in any one-hour period.

    (b)

    No operation or use in the C-3 commercial district or the I-1, I-2 or I-3 industrial district shall discharge into the atmosphere any air contaminants in excess of a concentration of 0.10 grams per cubic foot per hour at standard conditions. Measurement shall be made at the point of emission.

    (c)

    Within the C-3 commercial district or the I-1, I-2 or I-3 industrial district, all activities, including on-site transportation movements, paint spraying, grain handling, sandblasting, incineration and salvage operations shall be conducted in such a manner that air contaminants in excess of a concentration of one hundred (100) micrograms per cubic meter, standard conditions, will not be transported across the property line of the lot on which such activity is located.

    (d)

    No operation or use in the I-4 or I-5 industrial district shall discharge into the atmosphere from any single source any air contaminant which is:

    (1)

    Equal to or greater than the density designated as Number Two on the Ringelmann Chart. Measurement shall be made at the point of emission;

    (2)

    Of such opacity as to obscure an observer's view to a degree equal to or greater than the standard described in (1) above, except that when the presence of uncombined water is the only reason for failure to comply, the standards prescribed above shall not apply;

    (3)

    However, when a fire box, boiler or combustion device is cleaned or a fire is being started therein, air contaminants, the density of which is equal to Number Three on the Ringelmann Chart, may be permitted for a period not to exceed a total of eight (8) minutes in any one-hour period.

    (e)

    No operation or use in the I-4 or I-5 industrial district shall discharge into the atmosphere any air contaminant in excess of a concentration of 0.20 grams per cubic foot at standard conditions. Measurement shall be made at the point of emission.

    (f)

    Within the I-4 or I-5 industrial district, all activities including on-site transportation movements, paint spraying, grain handling, sandblasting, incineration and salvage operations shall be conducted in such a manner that air contaminants in excess of a concentration of one hundred (100) micrograms per cubic meter, standard conditions, will not be transported across the property line of the lot on which such activity is located.

(P & Z Res., art. XVIII, § 2)