Modeling an irritant gas plume for epidemiologic study

International Journal of Environmental Health Research
Dev D JaniErik R Svendsen

Abstract

Plume dispersion modeling systems are often used in assessing human exposures to chemical hazards for epidemiologic study. We modeled the 2005 Graniteville, South Carolina, 54,915 kg railcar chlorine release using both the Areal Locations of Hazardous Atmospheres and Hazard Prediction and Assessment Capability (HPAC) plume modeling systems. We estimated the release rate by an engineering analysis combining semi-quantitative observations and fundamental physical principles. The use of regional meteorological conditions was validated by comparing concentration estimates generated by two source-location weather data-sets. The HPAC model estimated a chlorine plume with 20 ppm outdoor concentrations up to 7 km downwind and 0.25 km upwind/downgrade. A comparative analysis of our two models showed that HPAC was the best candidate for use as a model system on which epidemiologic studies could be based after further model validation. Further validation studies are needed before individual exposure estimates can be reliable and the chlorine plume more definitively modeled.

References

Mar 28, 2007·Journal of the Air & Waste Management Association·Robert L BuckleyMatthew J Parker
Mar 13, 2009·Journal of Environmental Monitoring : JEM·Bin ZouYongnian Zeng

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Citations

Jun 16, 2016·Annals of the New York Academy of Sciences·Matthew CarlisleSadis Matalon
Jul 8, 2016·Annals of the New York Academy of Sciences·Gary W Hoyle, Erik R Svendsen
Apr 19, 2017·Annals of the American Thoracic Society·Eleanor M SummerhillUNKNOWN ATS Terrorism and Inhalational Disasters Section of the Environmental, Occupational, and Population Health Assembly
Jul 1, 2017·International Journal of Environmental Health Research·Dev D JaniErik R Svendsen
Nov 1, 2018·American Journal of Physiology. Heart and Circulatory Physiology·Shama AhmadLouis J Dell'Italia
Sep 19, 2019·Toxicology Mechanisms and Methods·Satyanarayana Achanta, Sven-Eric Jordt
Jun 25, 2020·Annals of the New York Academy of Sciences·Ahmed LazrakSadis Matalon
Jul 10, 2020·Annals of the New York Academy of Sciences·Juan Xavier Masjoan JuncosShama Ahmad
Sep 16, 2017·American Journal of Physiology. Lung Cellular and Molecular Physiology·Tamas JillingSadis Matalon
Sep 7, 2020·Annals of the New York Academy of Sciences·Satyanarayana Achanta, Sven-Eric Jordt
Aug 26, 2021·Physiology·Dylan R AddisSadis Matalon

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Software Mentioned

ArcMAP
ALOHA Management of Emergency Operations ( CAMEO )
MARPLOT
CAMEO
SCIPUFF
ArcGIS ArcMap
SPSS
ALOHA
ITRANS
LMNO

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