Method and apparatus for subsurface contaminant detection and me

Details Method and apparatus for subsurface contaminant detection and me Method and apparatus for subsurface contaminant detection and me

1985-05-23

1988-11-01

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

250253, 2504611, G01J 158

Patent

active

047822341

ABSTRACT:
Subsurface contaminants are readily and inexpensively detected and measured by means of a test head positioned at the subsurface site and forming a protected test chamber for the liquids to be tested. The head encloses the end faces of fiber optic elements which carry radiation to the liquid sample from a test instrument located at the surface and which return radiation from the sample to the instrumentation. A connector positioned at the surface decouples the head from the instrumentation, so that the same instrumentation can service a larger number of test sites.

REFERENCES:
patent: 4178512 (1979-12-01), Frungel et al.
patent: 4186303 (1980-01-01), Smith et al.
patent: 4344438 (1982-08-01), Schultz
patent: 4403826 (1983-09-01), Presby
patent: 4473599 (1984-09-01), Elion
patent: 4504114 (1985-03-01), Arrington
patent: 4577109 (1986-03-01), Hirschfeld
patent: 4608990 (1986-09-01), Elings
patent: 4623789 (1986-11-01), Ikeda et al.

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