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241. Response to Notice of Disapproval for the Investigation Work Plan for Middle Canada del Buey Aggregate Area

242. Disapproval Investigation Report for Technical Area 57 Aggregate Area (Fenton Hill) EPA ID No. NM0890010515 HWB-LANL-15-007

243. DP-1132, Condition No. 2, Notification of Changes, Piping Modification at the Waste Management Risk Mitigation Facility, Technical Area 50 Structure 250

244. PHASE II INVESTIGATION WORK PLAN FOR MATERIAL DISPOSAL AREA C, SOLID WASTE MANAGEMENT UNIT 50-009, AT TECHNICAL AREA 50, REVISION 1

245. Request to Defer Submittal of the Remedy Completion Report for Material Disposal Area AB at Technical Area 49

246. NOTICE OF DISAPPROVAL, INVESTIGATION REPORT LOWER SANDIA CANYON AGGREGATE AREA, LOS ALAMOS NATIONAL LABORATORY

247. Response to the ""Second notice of disapproval for the phase II investigation report for material disposal area C, solid waste management unit 50-009, at technical area 50, Los Alamos National Laboratory EPA ID No:NM0890010515, HWB-LANL-09-017"" dated Oct

248. NPDES Permit No. NM0030759 - Request for an Extension Based on Force Majeure under Part I.E.4(c) for Site 03-052(f) within S-SMA-0.25 in Upper Sandia Canyon

249. Response to the notice of disapproval for the Pajarito canyon investigation report

250. Los Alamos National Laboratorys Flanged Tritium Waste Container Temporary Authorization Request and Mitigation Project is Compliant with Law and Protective of Worker Safety, Public Health, and the Environment, and Should be Approved by August 29, 2025