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Main Title Research and Development of a Field Ready Protocol for Phosgene.
Author Steger, J. L. ; Bursey, J. T. ; Merrill, R. G. ; Epperson, D. ; Coppedge, E. ;
CORP Author Eastern Research Group, Morrisville, NC.;Environmental Protection Agency, Research Triangle Park, NC. National Exposure Research Lab.
Publisher 1997
Year Published 1997
Report Number EPA-68-D4-0022; EPA/600/A-97/070;
Stock Number PB97-195440
Additional Subjects Phosgene ; Air pollution sampling ; Test methods ; Field tests ; Stack gases ; Stationary pollutant sources ; Air pollution sources ; Chemical analysis ; Diethylamine ; Toluene ; Reagents ; Sample preparation ; Storage ; Concentration(Composition) ; pH factor ; Moisture content ; Ambient temperature ; Sampling trains
Library Call Number Additional Info Location Last
NTIS  PB97-195440 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 12p
Benchtop and laboratory train spiking studies were performed to develop a method to sample and analyze phosgene from stationary sources. These studies used diethylamine (DEA) in toluene as the collection medium to stabilize the phosgene for subsequent analysis. Benchtop studies investigated five variables: storage time, DEA concentration, moisture/pH, phosgene concentration, and sample storage temperature. Prototype sampling train studies were performed to determine if the benchtop chemical studies were transferable to the train collecting phosgene from air mixed with typical stack gas components. This four-impinger sampling train was evaluated by dynamically spiking phosgene through a 1,8-meter (6-foot) heated glass probe while sampling hot air. Four conditions that varied the moisture and phosgene content were evaluated in triplicate. The results of this study as they pertain to a draft field ready sampling protocol are discussed.