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You are here: Home / Consulting Services / Geophysical Services / Geophysical Techniques / Electromagnetic Metal Detection
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Electromagnetic Metal Detection

Could your site contain abandoned, forgotten chemical sources areas such as underground storage tanks or drums? What about locating deep metallic utilities beneath a site, or finding an old building foundation? How are you going to locate those objects?

Electromagnetic (EM) metal detection locates subsurface metal objects, scientifically, reducing “hunt and peck” methods that create numerous and costly, widely spaced borings.

Our EM-61 MKII is a high-resolution, time-domain metal detector, specifically designed to detect metal objects buried within the upper 10 feet of the subsurface. It allows for quick, inexpensive data acquisition (approximately 25,000 data points, per acre, per 1.5 hours). The EM-61 MKII consists of two vertically-separated, coaxial, square coils, each with a dimension of one meter by one meter, mounted to a wheel assembly with a built-in odometer. This instrument is relatively insensitive to interference from nearby surface metal such as fences, buildings, cars, etc., yet it detects a single 55-gallon drum at a depth of 10 feet beneath ground surface!

Electromagnetic Metal Detection Applications

  • Locating Underground Storage Tanks (UST) and Buried Drums
  • Unexploded Ordnance (UXO) Mapping
  • Mapping Metallic Utilities
  • Mapping Former Reinforced Foundations and Structures
  • Locating Buried Metallic Debris
EM61 High Resolution Metal Detector
EM61Tank Search

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  • Consulting Services
    • Investigation & Remediation
    • Litigation Support
    • Environmental Management
    • Water Resource Evaluation
    • Geophysical Services
      • Environmental Applications
      • Engineering and Construction
      • Natural Resources
      • Archaeological Studies
      • Geophysical Techniques
        • Electromagnetic Metal Detection
        • Ground Penetrating Radar (GPR)
        • Electromagnetic Conductivity Mapping
        • Electrical Resistivity
        • Seismic Methods
        • Magnetic Methods
        • Borehole Logging
        • Microgravity
    • Modeling Services

News

John Mundell reflects on the legacy of Pope Francis and his concern for our common home

May 27, 2025in Community Involvement

Merry Christmas and Happy New Year from Mundell!

December 23, 2024in Company News

Using IndianaMap and web-based GIS to protect drinking water

December 3, 2024in Company News

Emissions Reporting and Air Dispersion Modeling Allows Tracking of Indy’s Air Pollutants

July 30, 2024in Science and Environment

Our Affiliations

- Midwestern States Environmental Consultants Association
- Environmental & Engineering Geophysical Society
- Professional Geologists of Indiana, Inc.
- National Groundwater Association
- American Societies of Chemical / Civil Engineers
- Association of Environmental and Engineering Geologists
- Indiana Association for Environmental Professionals
- Geological Society of America
- Indiana Geographic Information Council
- Economy of Communion

.....and more more affiliations

Be Inspired

  • Monday, June 16, 2025
    National Pollinator Week

    Polinator Partnership website

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Reduce Erosion and Preserve Topsoil

Land degradation has increased around the world as our human activities pollute or degrade the quality of soil, affecting not only food production but the overall ecosystems. What can we do locally to preserve our soil?

  • Rotate the crops you grow in your garden.
  • Use local mulch, especially in bare stops to help plants ground and prevent water runoff.
  • Plant large plants such as trees and hedges to reduce wind speed.
  • Minimize soil compaction by create permanent walkways and encouraging people to stay on them.
.....see all tips more tips

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