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Document Title
  
  
  
3427-mex_hat_Oct07
Long-Term Surveillance Plan for the Mexican Hat, Utah (UMTRCA Title I), Disposal Site San Juan County, Utah October 2007
Long-Term Surveillance and Maintenance PlanUtah10/31/2007
3432-MexicanHatCommunityInfoSheet
Mexican Hat, Utah, Disposal Site, Community Information
General Site DocumentUtah12/1/2016
12.0_HAT_2021_CompRpt
2021 Annual Inspection and Monitoring Report for Uranium Mill Tailings Radiation Control Act Title I Disposal Sites—Mexican Hat, Utah, Disposal Site. March 2022. LMS/S33843.
Annual Inspection ReportUtah3/31/2022
  
Document Title
  
  
  
12.0_HAT_2022_CompRpt
2022 Annual Site Inspection and Monitoring Report for Uranium Mill Tailings Radiation Control Act Title I Disposal Sites—Mexican Hat, Utah, Disposal Site. March 2023. LMS/S38159
Annual Inspection ReportUtah3/31/2023
12.0_HAT_2021_CompRpt
2021 Annual Inspection and Monitoring Report for Uranium Mill Tailings Radiation Control Act Title I Disposal Sites—Mexican Hat, Utah, Disposal Site. March 2022. LMS/S33843.
Annual Inspection ReportUtah3/31/2022
air_hat_2020
2020 Annual Site Inspection and Monitoring Report for Uranium Mill Tailings Radiation Control Act Title I Disposal Sites - Mexican Hat, Utah, Disposal Site. March 2021. LMS/S30146
Annual Inspection ReportNew_Mexico3/31/2021
S29391_Erosional
Erosional Piping Characterization and Data Report Mexican Hat, Utah, Disposal Cell. February 2021.
General Site DocumentUtah2/28/2021
3437-S15190_HAT_SeepMonEvalRpt
Seep Monitoring Evaluation Report Mexican Hat, Utah, UMTRCA Title I Disposal Site. LMS/HAT/S15190. December 2019.
ReportUtah6/23/2020
3436-S14765_HAT_Evaluation
Side Slope Cover Depressions Evaluation Report Mexican Hat, Utah. LMS/HAT/S14765. January 2019
ReportUtah1/23/2019
3435-HAT_CIP
Mexican Hat, Utah, Disposal Site Community Involvement Plan. January 2019
General Site DocumentUtah1/23/2019
3434-MON_HAT_RAP
Remedial Action Plan for the Codisposal and Stabilization of the Monument Valley and Mexican Hat Uranium Mill Tailings at Mexican Hat, Utah. UMTRA-DOE/AL-050509.0000. February 1993
General Site DocumentUtah10/17/2017
3433-S00316_HAT_DVP
March 2016 Surface Water Sampling at the Mexican Hat, Utah, Disposal Site. LMS/HAT/S00316. May 2016
Data Validation PackageUtah4/18/2017
3432-MexicanHatCommunityInfoSheet
Mexican Hat, Utah, Disposal Site, Community Information
General Site DocumentUtah12/1/2016
HAT 201603_DNRSummitSidebar
Navajo Uranium Mill Sites Sidebar Meeting. March 2016
PresentationUtah3/31/2016
HAT NN Five Year Plan Final 9.24.14
2014 Navajo Nation Five-Year Plan. September 2014
General Site DocumentUtah9/24/2014
3431-S02222_HAT
Resolution of Seep and Ground Water Monitoring at the Mexican Hat, Utah, UMTRCA Title I Disposal Site. DOE-LM/GJ1139-2006. March 2006
General Site DocumentUtah11/27/2012
3426-hat08_cr
U.S. Department of Energy 2008 UMTRCA Title I Annual Report January 2009 Mexican Hat, Utah
Annual Inspection ReportUtah1/31/2009
3427-mex_hat_Oct07
Long-Term Surveillance Plan for the Mexican Hat, Utah (UMTRCA Title I), Disposal Site San Juan County, Utah October 2007
Long-Term Surveillance and Maintenance PlanUtah10/31/2007
3429-mexhat-sowp
Final Site Observational Work Plan for the UMTRA Project Site at Mexican Hat, Utah July 1998
Site Observational Work PlanUtah7/31/1998
3425-factsht_l
Historic Fact Sheet: Mexican Hat Disposal Site Uranium ore was processed near Mexican Hat, Utah, between 1957 and 1963. These operations created process-related waste and tailings, a sandlike waste product containing radioactive materials and other contaminants.
Fact SheetUtah12/31/1963
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