U.S. Army Corps of Engineers (USACE)
FederalDC
Aug 20, 2026
Closes
Sep 21, 2026
Tar Lake Superfund (Request For Quotation) Mancelona Township
Provide tar lake superfund. The project includes the excavation of contaminated soil and expansion of a bio-sparge system. . The project will involve excavation of approximately 172,500 tons of contaminated soil, backfilling with clean imported soils, installing new biosparge wells, and an approximately 160 square foot pre-engineered structure to house the biosparge system compressors. See attached file.