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You are here: Home / Consulting Services / Geophysical Services / Geophysical Techniques / Ground Penetrating Radar (GPR)
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Ground Penetrating Radar (GPR)

Ground Penetrating Radar (GPR) is a geophysical technique that has gained popularity in recent years due to its excellent resolution and relative ease of use. You may have seen it in use on television shows such as CSI, Law and Order, and Bones.

GPR is an electromagnetic method that detects interfaces between materials with differing dielectric properties. This allows it to detect metallic and non-metallic, as well as geologic features. The instrument produces a continuous cross section of subsurface reflections that can be viewed by the operator in the field or downloaded to a laptop for more thorough analysis. Multiple profiles can also be compiled into a 3-D dataset, and then sliced at various depths.

Mundell & Associates utilizes a Sensors and Software Noggin Plus System. This system consists of a cart with a built-in survey wheel, and two shielded, interchangeable antennae (a 250 MHz “general purpose” antenna and a 1000 MHz “high resolution” antenna), which are switched out depending on the site conditions and project objectives. The Noggin Plus is a rapid, state-of-the-art data acquisition system that allows data to be collected continuously as it is operated.

GPR is used to provide focused, detailed characterization of study areas, and can yield information about horizontal layering, limits of former excavations and fill areas, and the approximate depth and position of discrete objects, such as utilities, trenches, containers, voids, and sinkholes.

GPR Applications

  • Underground Utility Designation and Mapping
  • Boring Clearance
  • Underground Storage Tanks (UST) and Buried Drum Locating
  • Archaeology/Cemetery Studies
  • Delineating Landfills and Buried Debris
  • Concrete Reinforcement (Rebar, PT and PS Cables) Mapping
  • Forensics
  • Void Locating
Noggin GPR Cart
GPR Profiles for UST
Noggin Plus GPR

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        • Electromagnetic Metal Detection
        • Ground Penetrating Radar (GPR)
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News

Karst, Cake, and Indiana Geology

April 22, 2022in Science and Environment

Mundell & Associates Featured on International News Program

November 30, 2021in Company News

Ask a Professional – What sparked your interest in the Earth Sciences?

October 14, 2021in Company News

Earth Science Week 2021 – Water Today and for the Future

October 10, 2021in Community Involvement, 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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Why?

  1. Topping off the gas tank can result in your paying for gasoline that is fed back into the station’s tanks because your gas tank is full.
  2. Gasoline vapors are harmful to breathe
  3. You need extra room in your gas tank to allow the gasoline to expand.
  4. Topping off your gas tank may foul the station’s vapor recovery system.

Source: EPA

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