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Title: H2S Detection And Determination
Author: D. Marshall Brown
Source: 1995 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1995
Abstract: Hydrogen sulfide is measured in the natural gas industry for three main reasons: 1) personal safety, 2) corrosion control, and 3) contractual obligations. Because hydrogen sulfide is very toxic, leaks must be detected rapidly to prevent injury and loss of life. Toxicity information based on the concentration of hydrogen sulfide and the time of exposure can be found in table 1. At low ppm/vol concentrations hydrogen sulfide has a rotten egg odor. As the concentration increases, ones sense of smell is no longer useful for detecting the presence of hydrogen sulfide. Concentrations above 700 ppm/vol are almost instantaneously lethal.

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