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(A) No person shall cause, let, permit, suffer or allow any emission of sulfur oxides which of itself results in ground level concentrations of sulfur oxides at any given point in excess of 0.5 ppm (volume) in the period of any hour and average exposure shall not exceed 0.l ppm (volume) of sulfur oxides in any 24-hour period. These limitations shall not apply to ground level concentrations occurring on the property from which the emission occurs, provided that the property, from the emission point to the point of the concentration, is controlled by the person responsible for the emission.
(B) No person shall cause or permit the use or, if intended for use in the city, the purchase, sale, offer for sale, storage or transportation, of a fuel, which, as determined by the methods of the American Society for Testing and Materials, contains more than the following percentages of sulfur by weight.
(1) For a period of 2 years, beginning 1 year after the effective date of this chapter, fuel, 2.5%.
(2) For a period of 18 months, beginning 3 years after the effective date of this chapter, fuel, 2.0%.
(3) Thereafter, fuel, 1.5%.
(C) When periods of stagnation for 24 hours or greater occur, as defined by the Chief of the Department of Air Pollution Control, the Chief shall have the power to implement a Pollution Emerging Episode Control Plan, whereby plants that have an annual fuel consumption of 60,000 tons of coal or 14,500,000 gallons of oil are required either to switch to a low sulfur fuel, 1 which is less than 1.5% sulfur by weight, or curtail emission of sulfur dioxide pollution during this period until the Chief determines that the stagnation period no longer exists.
(Prior Code, § 90.021) (Ord. 3672, passed 4-13-1970) Penalty, see § 10.99