What's New?

 

Recent Remedial Activities

July 2017

  • Completed the scheduled annual surface inspection and soil gas monitoring at OU2.

June 2017

  • Submitted Change in Monitoring Frequency for OU2 Post-closure OM&M - Addendum-Phase2 CorrectiveActionPlanfor the Operable Unit 2 Landfill Closure at Lowry; approved by CDPHE;scheduled monitoring change to biannual with next soil gas monitoring event in July 2017 and next groundwater and surface water sampling event in July 2018.

July 2016

  • Completed the scheduled semiannual surface inspection and the annual surface water sampling, groundwater sampling, and soil gas monitoring event at OU2.
  • Completed the scheduled annual groundwater monitoring event at OU5; scheduled monitoring change to biannual with next sampling event in July 2018.

 

Recently Approved Documents

June 2017

Change in Monitoring Frequency for OU2 Post-closure OM&M - Addendum-Phase2 CorrectiveActionPlanfor the Operable Unit 2 Landfill Closure at Lowry; approved by CDPHE.

March 2017

  • 2016 Monitoring Well Abandonment Activities Summary, Operable Unit 5 – Main TCCE Plume, Headquarters Area TCE Plume, Fire Training Zone TCE Plume, and the Carbon Tetrachloride Source Area.

December 2016

  • Post-Closure Operation and Maintenance Report, November 2015 through October 2016, Operable Unit 2 (OU2) Landfill Site.
  • Groundwater, SurfaceWater, and SoilVapor MonitoringReport, Post-Closure Monitoring– 2016 Annual, OperableUnit 2 (OU2)Landfill Site.

October 2016

  • Results forthe Annual Operable Unit5 GroundwaterMonitoringProgram-July/August 2016, MainTCE Plume, Headquarters TCE Plume, FireTraining ZoneTCE Plume, and the Carbon Tetrachloride Source Area.