40 CFR §52.1388

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The State of Montana has committed to revise its stack height regulations should EPA complete rulemaking to respond to the decision in NRDC v. Thomas, 838 F. 2d 1224 (D.C. Cir. 1988). In a letter to Douglas M. Skie, EPA, dated May 6, 1988, Jeffrey T. Chaffee, Chief, Air Quality Bureau, stated: