Radiant energy – Methods of determining oil presence – contamination or...
Patent
1990-05-07
1991-11-12
Hannaher, Constantine
Radiant energy
Methods of determining oil presence, contamination or...
37118A, 250253, 2504611, G01V 904, G01N 2164, G01N 2185
Patent
active
050650190
ABSTRACT:
A device and method for determining the depth of contaminant of petroleum based products in a subsurface, such as after an oil spill. The device is implemented either as a manual probe or as attachment to excavating equipment. The device has an ultraviolet radiation source for irradiating waves into the subsurface, and a visible-light detector for receiving fluorescence, which is induced by the contaminant when the contaminant is exposed to the ultraviolet radiation.
REFERENCES:
R. H. Hill, Jr., "Laser-Induced Luminescence", Technology Today, (Jun., 1989) reprint.
Darilek Glenn T.
Keeton, III Dewey B.
Hannaher Constantine
Southwest Research Institute
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