Electromagnetic Surveying of Brookhaven National Laboratories, Upton, New York
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Date
2000-06
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Publisher
The Ohio State University
Abstract
An electromagnetic survey at Brookhaven National Laboratories was conducted in order
to locate pits hidden beneath the surface. The pits were used as waste disposal in the past and
consequently their removal became necessary for health reasons. The two areas of study at the
Upton, New York facility were named the ChemicaVAnimal Pits Area and the Glass Hole Pits
Area. These areas were surveyed and the results processed to find the number and approximate
lateral location of the pits in question. Using the conductivity to locate the pits as anomalies,
the surveys located the pits.
The survey attempted to prove that electromagnetic surveying could be utilized to see
into the ground and locate objects with a different conductivity than that of the medium it rested
in. By running survey lines across the areas, the survey could systematically locate the pits by
taking note of the positions of the anomalies that stood out in the earth.
The results of the survey were positive and the pits stood out markedly in the ground as
anomalies. The data clearly shows the number of pits and their location along the grid in each
area. The pits had their locations found correctly by the results from the survey and then were
removed to prevent any hrther contamination of the ground. Other geophysical surveying was
done at Brookhaven National Laboratories and the locations of the pits from those results match
up very well with the data collected by the EM3 1 and EM6 1 electromagnetic surveying.