Development of a New Test Procedure for Aqueous Film- Forming Foam

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TypeTechnical Report
Series titleInternal Report, Institute for Research in Construction, National Research Council Canada; Issue 679
Physical description23 p.
AbstractA project was undertaken to develop a new test procedure for Aqueous Film-Forming Foam (AFFF). The basis for the new test procedure was the CGSB-28.74-M90 "Standard for: Liquid Concentrate, Fire Fighting, Aqueous Film Forming Foam", modified to apply the foam from a fixed nozzle. Repeatability of the new test procedures as well as acceptance criteria, were evaluated. A series of tests was conducted to investigate a number of variables including the quantity of water used as a base, the quantity of fuel and the foam application time. The project was carried out in three phases. The NFL's results of three phases of tests showed that: Phases 1 and 2 provided repeatable, consistent test results. The test results in Phase 3 were inconsistent and showed very little agreement with the previous results. Although there is no conclusiveevidence as to the reason for this, the age of the foam concentrates seems to be the most likely cause. Reviewing the test results from the other laboratories involved in the Phase 3 round robin testing will-provide the first step in locating the cause of the inconsistent results obtained in Phase 3.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number5674
NPARC number20375285
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Record identifier786ae644-f0fd-4034-aa08-5efd71956315
Record created2012-07-23
Record modified2016-10-03
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