Michigan Administrative Code › Department - Environmental Quality › Air Quality Division › Part 4 - EMISSION LIMITATIONS AND PROHIBITIONS-SULFUR BEARING COMPOUNDS › Section R. 336.1430 - Emission of SO[2] from United States Steel, Great Lakes Works

Current through Vol. 24-12, July 15, 2024
Rule 430.
(1) The
				provisions in this rule supersede the requirements of
				R 336.1407 that apply to United
				States Steel, Great Lakes Works reheat furnaces and Zug Island boilers as
				referenced in subrules (2) and (3) of this rule.
(2) All of the following apply to United
				States Steel, Great Lakes Works, 80" hot strip mill reheat furnaces:
(a) On and after December 31, 2016, the
				combined SO2 emission rate from the 5 reheat furnaces
				shall not exceed 148 pounds per hour, based on a 1-hour average starting on the
				hour for each clock-hour.
(b) On and
				after December 31, 2016, the company shall install, calibrate, maintain, and
				operate in a manner approved by the department devices to separately monitor
				and record the coke oven gas and natural gas usage rates, in cubic feet per
				hour, for the 5 reheat furnaces combined for each hour of operation. The 5
				furnaces shall be equipped with a common coke oven gas usage meter and a common
				natural gas usage meter. The company shall keep the usage rate records on file
				at the facility for a period of 5 years, in a format acceptable to the
				department, and make them available to the department upon request.
(c) On and after December 31, 2016, the
				company shall compile hourly SO2 emission rate
				calculations for the 5 reheat furnaces combined in pounds per hour, for each
				hour of operation. Emission rates shall be determined using the method
				specified in subrule (3) (g) of this rule. The company shall keep the records
				of the calculations on file at the facility for a period of 5 years, in a
				format acceptable to the department, and make them available to the department
				upon request.
(d) Not later than
				June 30, 2017, the company shall conduct SO2 emission
				stack tests of the reheat furnaces, based on testing of a representative
				furnace. Not less than 30 days before testing, a complete stack test protocol
				shall be submitted to the department for approval. The final plan must be
				approved by the department before testing. Verification of emission rates
				includes the submittal of a complete report of the test results to the
				department within 60 days following the last date of the test. The company
				shall keep the records of the test on file at the facility for a period of 5
				years, in a format acceptable to the department, and make them available to the
				department upon request.
(e) On and
				after September 15, 2017, the company shall submit an excess emission report in
				an acceptable format to the department semiannually. The report shall be
				submitted by September 15 for the January 1 to June 30 reporting period, and by
				March 15 for the July 1 to December 31 reporting period. The excess emission
				report shall include the following information:
(A) A report of each exceedance above the
				SO2 limitation including the date, time, magnitude,
				cause, and corrective actions for all occurrences during the reporting
				period.
(B) A report of all periods
				of fuel gas usage rate monitoring system downtime and corrective
				action.
(C) If no
				SO2 limitation exceedance and no fuel gas usage rate
				monitoring system downtime occurred during the reporting period, the company
				shall report that fact.