Abstract
AbstractAlthough open‐path Fourier‐transform infrared (FTIR) spectroscopy has been an Environmental Protection Agency (EPA) Toxic Organic Compendium Method since 1996, it has been underutilized as a means to assess exposure to gaseous contaminants during the remediation of hazardous waste sites. This might be considered surprising in light of the many benefits that proper application of this technology can offer. In this article, we provide an overview of the technology and the principle of operation, describe the nature of the data generated, discuss the benefits associated with the technology's use in site clean‐up, present emission‐rate estimation techniques, and examine the reasons why it has not gained more support over the years. Finally, we present a case study in which the technology was used to drive an 11‐month emergency removal action under the direction of the U.S. Environmental Protection Agency.
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