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You are here: Home / Portfolio / Conductivity Mapping for Salt Water Impact Delineation

Conductivity Mapping for Salt Water Impact Delineation

portfolio typeCase Historiespdf iconDownload this as PDFPosted on July 22, 2012

Electrical Conductivity Map

A terrain conductivity map, detailing saltwater impacts across the site

Challenge

Prior to selling three existing, active salt water storage-and-injection facilities, an oil and natural gas company asked Mundell to perform a detailed geophysical survey to delineate the lateral extent of any salt water impacts that may be present on each of the sites, due to faulty tanks, piping, or engineering controls, as part of their pre-sale due diligence.

Action

Mundell selected electromagnetic (EM) terrain conductivity mapping using a Geonics EM 31 conductivity meter to delineate the lateral extent of salt water impacts across the site.

Results

In total, Mundell scanned 22 acres of rough terrain across three active saltwater storage and injection facilities, all of which showed some degree of salt water impacts outside of the established secondary containment berms. By establishing a conductivity threshold of 100 millisiemens per meter (mS/m) and denoting that contour interval on the conductivity maps, Mundell was able to approximate the acreage of impacts which would need to be remediated prior to the sale of the properties.

more information Learn about our related services (Environmental Applications)

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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

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