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911. NPDES PERMIT NO. NM0030759 - SUBMITTAL OF CERTIFICATION OF INSTALLATION OF ENHANCED CONTROL MEASURES FOR EIGHT SITE MONITORING AREAS

912. LETTER: NPDES PERMIT NO. NM0030759 - SUBMITTAL OF ANALYTICAL RESULTS FROM FIRST MEASURABLE STORM EVENT FOR SEVENTEEN SITE MONITORING AREAS

913. Request to Defer Submittal of the Phase II Investigation Report for Upper Mortandad Canyon Aggregate Area

914. NOTIFICATION OF FORCE MAJEURE - FLOOD EVENT OF SEPTEMBER 2013

915. NOTIFICATION OF FORCE MAJEURE AND ANTICIPATED NONCOMPLIANCE - LAPSE OF APPROPRIATIONS FOR ACTIVITIES UNDER THE LOS ALAMOS NATIONAL LABORATORY INDIVIDUAL STORM WATER NPDES PERMIT NO. NM0030759

916. Response to June 9, 2025 Letter, Temporary Authorization Los Alamos National Laboratory Hazardous Waste Facility Permit

917. REQUEST FOR CERTIFICATES OF COMPLETION FOR THREE SOLID WASTE MANAGEMENT UNITS IN THE GUAJE/BARRANCAS/RENDIJA CANYONS AGGREGATE AREA

918. ENCLOSURE: SEMIANNUAL PROGRESS REPORT FOR CORRECTIVE MEASURES EVALUATION/CORRECTIVE MEASURES IMPLEMENTATION FOR CONSOLIDATED UNIT 16-021(c)-99

919. LETTER: MONTHLY NOTIFICATION OF GROUNDWATER DATA REVIEWED IN DECEMBER 2013

920. LETTER: REQUEST FOR EXTENSION TO COMPLETE THE INSTALLATION OF WELL R-26i