10/11/22 Based on the results of a PFAS investigation, ESD documents expansion of LUC for prohibition of use of groundwater in OU3 by adding four areas associated with four buildings, Building 29, Former Building 335, Building 337, and Building 357. Prior to this ESD, OU3 occupied 22 acres. The total area of the revised LUC acreage for OU3 is 63 acres.
FEDERAL FACILITY AGREEMENT: PORTSMOUTH NAVAL SHIPYARD #ME7170022019
LAND USE CONTROLS (NO TREATMENT OR REOMVAL OF MEDIA).
FY 2017 - Final Order # 6:
The Navy has changed the remedy for Operable Unit (OU) 9 documented in the Record of Decision (ROD) for OU9. Based on recent OU4 remedial activities dredging offshore of OU9 (monitoring station [MS]-01) and to incorporate an area of residual petroleum-contaminated subsurface soil into the existing OU9 land use controls (LUCs), the OU9 remedy will now include the following:
- Revised LUC boundary north of Building 62 to include the area of residual contamination and the associated shoreline.
- Long-term management (LTMgt) requirements for inspection and maintenance of the shoreline erosion controls to ensure continued protection of human health and the environment.
- Applicable and relevant and appropriate requirements (ARARs) and a remedial action objective (RAO) to address the residual contamination area.
FY 2017 - Final Order #7:
- Implementation of land use controls (LUCs) via a LUC Remedial Design (RD) to prohibit residential and recreational