Texas Natural Resource Conservation Commission Austin Texas Interoffice From: Eli Bell, Deputy Director, Control & Prevention Program To: Cecil Bradford, Director, Compliance Pete Roberts, Ph.D., P.E., Director, Permits & Source Evaluation Date: September 22, 1980 Subject: NSPS Applicability to Cement Kilns Firing an Alternative Fuel Condition No. 6 of EPA's November 14, 1973, delegation to the Board of authority to implement New Source Performance Standards (NSPS) requires this agency to accept all EPA interpretations of 40 CFR 60. Therefore, we will not require cement kilns converting to alternate fuels under the circumstances to meet the emission allowables prescribed by the NSPS applicable to such facilities constructed after August 17, 1971. The documents describe the General Portland, Incorporated kiln fuel conversion. Such conversions will nevertheless remain subject to the requirements of Regulation VI. cc: Regional Supervisors