Determination of toxic material penetrations for wildland respirator filters

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Thousands of wildland firefighters are exposed to high levels of toxic materials every year. Carbon monoxide, formaldehyde and acrolein gases, along with high particulate concentrations, are the major toxics encountered. Currently, the only respiratory protection wildland firefighters use is a bandanna over the mouth and nose. In this study, a modem activated carbon cartridge with an electrostatic prefilter was compared to a typical bandanna for its ability to filter wildland smoke toxics such as formaldehyde and particulates. The results of the tests were disappointing; neither filter performed very well. The activated carbon cartridge and prefilter efficiently collected formaldehyde gas for ... continued below

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69 p.

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Foote, K.L. May 1, 1994.

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Description

Thousands of wildland firefighters are exposed to high levels of toxic materials every year. Carbon monoxide, formaldehyde and acrolein gases, along with high particulate concentrations, are the major toxics encountered. Currently, the only respiratory protection wildland firefighters use is a bandanna over the mouth and nose. In this study, a modem activated carbon cartridge with an electrostatic prefilter was compared to a typical bandanna for its ability to filter wildland smoke toxics such as formaldehyde and particulates. The results of the tests were disappointing; neither filter performed very well. The activated carbon cartridge and prefilter efficiently collected formaldehyde gas for up to 60 minutes; however, it only collected 85 percent of the challenge particulate. ]Me bandanna, as expected, was only partially effective at collecting smoke particulate and filtered no toxic gases.

Physical Description

69 p.

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OSTI as DE96006006

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  • Other Information: TH: Thesis (M.S.)

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  • Other: DE96006006
  • Report No.: UCRL-LR--122560
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 202439
  • Archival Resource Key: ark:/67531/metadc672851

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  • May 1, 1994

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  • June 29, 2015, 9:42 p.m.

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  • Feb. 18, 2016, 12:28 p.m.

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Foote, K.L. Determination of toxic material penetrations for wildland respirator filters, thesis or dissertation, May 1, 1994; California. (digital.library.unt.edu/ark:/67531/metadc672851/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.