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Landfill 2

Final Restoration Complete for Landfill 2


Excavation of Landfill 2 wrapped in 2017 and the initial restoration activities were completed before winter. This site is one of two landfills at the Site – Landfills 1 & 2 – that have been removed. Landfill 2 was used from 1971 to 1973, covered with soil in 1973 and capped with clay in 1980. During the remediation of Landfill 2, soils with concentrations of Contaminants of Concern (COCs) exceeding the soil Media Protection Standards (MPS), were disposed of at approved offsite disposal facilities.

The Corrective Measures Implementation (CMI) Plan is a detailed design plan approved by the Maine Department of Environmental Protection (DEP) which outlines how the soil is to be excavated, where it will be transported and disposed of and how the area is to be restored. Specifically, the Landfill 2 CMI included:

  • pre-constructive activities and implementation of perimeter air monitoring program

  • site preparation including establishment of access roads, creating a bypass for the staging areas, erosion and sediment controls, stockpile areas

  • excavation and removal of materials exceeding MPS and adjacent Southerly Stream

  • post-excavation confirmation sampling

  • materials management including soil stock piling and direct loading of rail cars

  • back-filling the excavation and grading the area to proposed final grades

  • surface stabilization of the final grading with topsoil and vegetation

The initial restoration work establishing final grades to manage storm water and re-vegetating the area to blend with the surrounding areas and to minimize the potential for future erosion took place in 2017. Final restoration work was completed in 2018 and the Final Construction Closure report has been approved by DEP.

Full copy is available at the Public repository located at: Orrington Town library - 15 School Street, Orrington, ME 04474

The Final Construction Closure report for the Landfill 2 remediation was submitted to the Maine DEP on December 21, 2017. Maine DEP determined the report to be complete in a letter dated July 2, 2018.

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