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You are here: Home / Consulting Services / Geophysical Services / Geophysical Techniques / Electromagnetic Conductivity Mapping
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Electromagnetic Conductivity Mapping

Are you baffled by how one small chemical source area impacted your entire site? Are you looking to locate the extents of impacted soils across your site? Could your site contain areas of buried metallic and non‑metallic waste? A terrain conductivity survey using EM conductivity meters may an option.

We utilize a variety of EM conductivity meters (Geonics EM31, EM34, EM38 and a Geophex GEM-2) to map out shallow variations in geology, locate preferential pathways involved in chemical source migration, and delineate zones of buried fill. These conductivity meters have penetration depths ranging from 5 to 100 feet below ground surface and can be hand carried across smaller, gridded survey areas, or towed on a non-metallic cart behind a utility vehicle for larger sites using a differentially corrected GPS (sub-meter accuracy) to control the data positioning.

From a small parking lot, to entire landfills, we can delineate the subsurface anomalies of your site.

Electromagnetic Conductivity Applications

  • Mapping Variations in Soil Type
  • Preferential Pathway Locating
  • Shallow Karst Mapping
  • Buried Waste Delineation
  • Chemical Source and Extent mapping
EM31 Mapping
EM Conductivity Meter in Action
GEM-2 Electrical Resistivity Map

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      • Environmental Applications
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        • Electromagnetic Metal Detection
        • Ground Penetrating Radar (GPR)
        • Electromagnetic Conductivity Mapping
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News

Notice about COVID-19 policies

March 24, 2020in Company News

Featured: Mundell conducts environmental sampling in Franklin, Indiana

June 29, 2018in Science and Environment

Christmas Doll Project

January 6, 2021in Community Involvement

Merry Christmas and Happy Holidays from Mundell!

December 23, 2020in Company News

EPA Celebrates 50 Years of Drinking Water Research and Protection

December 2, 2020in Company News

Mundell Completes Environmental Review as Part of a Community Collaboration in Delaware County

November 5, 2020in Science and Environment

Our Affiliations

- Midwestern States Environmental Consultants Association
- Environmental & Engineering Geophysical Society
- Professional Geologists of Indiana, Inc.
- National Ground Water Association
- American Societies of Chemical / Civil Engineers Engineers without Borders
- Association of Environmental and Engineering Geologists
- Indiana Association for Environmental Professionals
- Geological Society of American
- Indiana Circular Economy Initiative
- Economy of Communion
- Indiana Recycling Coalition

.....and more more affiliations

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Check Your Heating Ducts

To ensure that as much warm air as possible is delivered through your central system, check the ductwork and wrap any leaks with duct mastic. Distribution losses (what’s lost while air is transported from your furnace through ductwork to the vents) often amounts to 30%. So, sealing ductwork could increase efficiency and the warm air you receive considerably … keeping you warmer and making your furnace work less.

Source: EPA

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