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Mare Island Building 742 Soil Removal

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project-mare-island4 project-mare-island3 project-mare-island2NOREAS completed excavation of approximately 600 cubic yards of chlorinated solvent-impacted soils to approximately 13 feet below ground surface (bgs) beneath a former storm drain. The excavated material was beneath and immediately adjacent to the former crushed stormwater pipeline that acted as a source of soil and groundwater contamination. Excavation sidewalls had to be shored using sheetpiles to prevent sloughing of material. Waste stream included RCRA-Hazardous soils requiring off-site thermal treatment prior to land disposal. Following excavation to the extent practical, NOREAS performed in-situ chemical reduction (ISCR) treatment using EHC and EHC-L products injected through 18 injection points to depths of up to 40 feet bgs to address remaining contamination. The excavation was backfilled using inert imported fill, compacted, and resurfaced. NOREAS is currently conducting groundwater and soil gas monitoring to confirm the effectiveness of the removal actions.

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ABOUT NOREAS

NOREAS provides scientific, technical, engineering, and construction management support to federal agencies, local governments, and utility companies, as well as a diverse group of private industries throughout California, Nevada, and Arizona.

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CONTACT US

NOREAS, Inc. Orange County
Address: 16361 Scientific Way
Irvine, CA 92618
Phone: (949) 467.9100
Fax: (949) 398.8758
Email: RFI@noreasinc.com

NOREAS, Inc. San Diego
Address: 2534 State Street
San Diego, CA 92101
Phone: (619) 516-8181
FAX: (619) 557-8341
Email: RFI@noreasinc.com

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  • Home
  • Company
  • Services
    • Environmental Investigation and Remediation
    • Natural Resources and Permitting
    • Consulting and Engineering
    • Design-Build Construction
  • Featured Projects
    • Environmental Investigation and Remediation
    • Natural Resources and Permitting
    • Engineering and Consulting Services
    • Design-Build Construction
  • Clients
  • Career
  • Contact Us
    • Office Locations