Soil-gas sampling apparatus

Details Soil-gas sampling apparatus Soil-gas sampling apparatus

1992-05-29

1993-08-17

Raevis, Robert

Measuring and testing

Sampler, sample handling, etc.

With constituent separation

7386321, 7386474, G01N 122

Patent

active

052358631

ABSTRACT:
Apparatus for soil-gas sampling comprising one or more passive vapor collectors enclosed within a liquid water penetration resistant vapor-permeable container to which means for easy in-ground insertion and retrieval is attached. The apparatus provides protection from water, dirt and mechanical damage to the vapor collector(s) during the insertion, sampling and removal steps and permits retrieval of the container from its in-ground location without the efforts and risks associated with excavation.

REFERENCES:
patent: 2345219 (1944-03-01), Sanderson
patent: 3028313 (1962-04-01), Oberdorfer, Jr. et al.
patent: 4065972 (1978-01-01), Holub et al.
patent: 4208912 (1980-06-01), Baldeck
patent: 4790857 (1988-12-01), Miksch
patent: 4830643 (1989-05-01), Sassa et al.
Patent Abstracts of Japan, vol. 008, No. 275, publication No. 59141036.
Abstract-SU 1267-443-A, Dec. 1984.

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