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Accession Number ADA583691
Title Development of a Contact Permeation Test Fixture and Method.
Publication Date Apr 2013
Media Count 50p
Personal Author T. G. D'Onofrio
Abstract A new fixture and method were developed to quantify the cumulative permeated mass of contaminants through personal protective equipment (PPE). Most PPE testing consists of liquid contamination of a swatch and detection by vapor collection. However, vapor analysis may not be the best detection method for all contaminants. Some contaminants, including VX, are contact hazards due to their low volatility. This property, coupled with the fact that PPE can be in direct contact with the skin, indicates the need for a quantitative contact test method. Comparison tests were conducted with VX on a standardized latex material in vapor and contact configurations using analytical permeation methods and toxicological percutaneous testing. For both the permeation and the toxicological configurations, approximately 20-fold more contaminant was measured using contact rather than vapor testing. This indicates that vapor testing could underestimate the amount of agent present in a contact scenario. As new PPE articles are developed, it is important to test each material in a manner consistent with its expected use to better understand the protection performance.
Keywords Chemical warfare agents
Contact testing
Low volatility
Permeation
Ppe(Personal protective equipment)
Protective clothing
Protective coverings
Protective masks
Test development
Test methods
Toxicological percutaneous testing
Volatility
Vx agent

 
Source Agency Non Paid ADAS
NTIS Subject Category 94K - Laboratory & Test Facility Design & Operation
74D - Chemical, Biological, & Radiological Warfare
95G - Protective Equipment
Corporate Author Edgewood Chemical Biological Center, Aberdeen Proving Ground, MD. Research and Technology Directorate.
Document Type Technical report
Title Note Final rept. Sep 2008-Feb 2013.
NTIS Issue Number 1402
Contract Number N/A

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