Actions for Estimating Re-Entry Times for Trade Workers Following the Application of Three Generic Spray Polyurethane Foam Formulations

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Estimating Re-Entry Times for Trade Workers Following the Application of Three Generic Spray Polyurethane Foam Formulations / Richard Wood

Conference Author
Developing Consensus Standards for Measuring Chemical Emissions from Spray Polyurethane Foam (SPF) Insulation (2015 : Anaheim, California, USA)
Physical Description
1 online resource (19 pages) : illustrations, figures, tables
Additional Creators
Wood, Richard, American Society for Testing and Materials, and ASTM International
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Summary
There is a great need for emissions information that can be used to estimate when it is safe for trade workers to re-enter a work area in which spray polyurethane foam (SPF) was recently applied to surfaces during retrofit and new construction. The Center for the Polyurethanes Industry (CPI) Ventilation Research Task Force conducted experiments to determine the decay rate of chemical vapor after SPF application. The purpose of the study was to estimate the time required to restrict unprotected trade workers, such as plumbers, electricians, dry wall installers, etc., from the work area to minimize their exposure. Emissions from CPI generic high-pressure medium-density, high-pressure low-density, and low-pressure two-component kit formulations were evaluated in a ventilated room operating at a rate of 10 air changes per hour (ACH) for 3 h and lowered to 1 ACH for 9 h to evaluate decay rates for a total of 12 h. Chemical ingredients selected for evaluation represent those typically present in SPF formulations. Substances evaluated included methylene diphenyl diisocyanate, amine catalysts, blowing agents, and flame retardants. This paper discusses the experimental protocol, reports results of the air sampling study, and provides recommendations.
Dates of Publication and/or Sequential Designation
Volume 2017, Issue 1589 (February 2017)
Subject(s)
Other Subject(s)
ISBN
9780803176249 (e-ISBN)
9780803176232
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 9.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
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Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 2017. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
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