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June 5, 1978 Determination of Interpretative Ruling (IR) 23.10

Determination of Interpretative Ruling (IR) The proposed 33 new ovens considered for construction by Jewell Coal ad Coke cannot be considered entirely as a replacement facility. Jewell Coal and Coke can only apply the decrease in emissions from the shutdown batteries 1 and 5 for that portion of the emissions which is related to the replacement capacity of the ovens. The 33 new ovens will provide an additional 46 percent capacity. Rehabilitation of Wheeling-Pittsburgh Steel Monessen Coke Battery No. 1 will result in the application of the interpretive ruling. The needed rehabilitation is at least 51-69 percent of the cost of a comparable entirely new facility. The reconstruction rule is, therefore, met and the battery is classified as reconstruction and since allowable emissions from the battery exceed 100 tons/year, it is subject to the ruling. Notebook Entries: 21.4

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