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Analyses of Natural Gases, 1988.
MISSING :66 pages
This publication contains analyses and related source data for 165 natural gas samples from 21 states and 1 foreign country. Of the total samples, 155 were collected during calendar year 1988. The remainder were collected earlier, but releases granting permission to publish were not received until 1988. All samples were obtained and analyzed as part of U.S. Bureau of Mines investigations of the occurrences of helium in natural gases of countries with free market economies. This survey has been conducted since 1917. The analyses published herein were made by mass spectrometer and chromatograph.
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Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division