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ASTM Selected Technical Papers
Performance of Protective Clothing: Fourth Volume
By
JP McBriarty
JP McBriarty
editor
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NW Henry, III III
NW Henry, III III
1
E. I. du Pont de Nemours
,
Newark, DE, co-chairman and editor
.
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ISBN-10:
0-8031-1430-3
ISBN:
978-0-8031-1430-2
No. of Pages:
1038
Publisher:
ASTM International
Publication date:
1992

Emergency spill response activities often require protective clothing that is an effective barrier to a wide range of chemicals and chemical mixtures. The U.S. Coast Guard Chemical Response Suit uses fluoropolymer film-based Challenge® materials as the encapsulating suit material to achieve high barrier. The results of over 300 permeation tests previously conducted by the U.S. Coast Guard indicate that these materials are excellent barriers to many chemicals and mixtures, however, several chemicals do permeate them. An empirical model or rule system was developed using this data set to predict whether permeation will be detected within three hours at 25°C at a detection sensitivity of 0.05 μg/cm2-min. The model predicts permeation based on the structure and size of the chemical, and when applied to the existing data base, correctly predicts the permeation behavior for 93% of the chemicals tested. A computerized version of the permeation data base and prediction model was developed for Macintosh® computers using SuperCard® for use by personnel with minimal permeation or chemistry training. The computer system provides capabilities to search the existing permeation database and make predictions using the empirical model.

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,
C.M.
,
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,
C.B.
 Jr.
, and
Bentz
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, “
Selection and Use of Molecular Parameters to Predict Permeation Through Fluoropolymer-Based Protective Clothing Materials
,” Performance of Protective Clothing: Fourth Volume, ASTM STP 1133,
McBriarty
James P.
and
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Norman W.
, Eds.,
American Society for Testing and Materials
,
Philadelphia, PA
,
1992
.
2.
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,
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, and
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,
C.B.
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Mansdorf
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,
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, and
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,
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3.
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,
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06
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,
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,
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,
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, “
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,
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,
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,
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,
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U.S. Environmental Protection Agency
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, and
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,
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.
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