Design of a ground-water sampler for collecting volatile organics and dissolved gases in small-diameter wells

Richard Johnson, J. F. Pankow, J. A. Cherry

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A sampling device is described which collects ground-water samples containing volatile organic compounds and dissolved gases. The device protects the samples from volatilization losses from the time of collection until the time of analysis. It can be produced in a wide range of sizes and allows access to wells with inside diameters as small as one centimeter. The sampler is designed to be lowered in a well to the desired depth, depressurized to slightly below the in situ pressure to allow entry of the sample, and then repressurized prior to being returned to the surface. The sampler is designed to be interfaced to analytical instruments for the direct, quantitative transfer of all analytes.

Original languageEnglish (US)
Pages (from-to)448-454
Number of pages7
JournalGround Water
Volume25
Issue number4
StatePublished - Jul 1987

Fingerprint

dissolved gas
Volatile organic compounds
Vaporization
sampler
Groundwater
Sampling
well
groundwater
volatilization
Gases
volatile organic compound
sampling
in situ
loss
analysis

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)
  • Water Science and Technology

Cite this

Design of a ground-water sampler for collecting volatile organics and dissolved gases in small-diameter wells. / Johnson, Richard; Pankow, J. F.; Cherry, J. A.

In: Ground Water, Vol. 25, No. 4, 07.1987, p. 448-454.

Research output: Contribution to journalArticle

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