𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Is PVC in House Fires the Great Unknown Source of Dioxin?

✍ Scribed by William F. Carroll Jr


Book ID
102658416
Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
674 KB
Volume
20
Category
Article
ISSN
0308-0501

No coin nor oath required. For personal study only.

✦ Synopsis


An estimate of the annual generation of polychlorodibenzodioxins and furans (PCDDW) in the United States as a result of PVC burning in house fires is made using building data and fire loss statistics and soot and ash samples obtained from laboratory experiments and building fires involving PVC. Using conservative estimates for construction, fire involvement and formation, dioxin generation from PVC in house fires is estimated to be in the range of 0.074 to 8.6 g TEQ yr-' as soot, 0.4 to 14 g TEQ yr-as ash, and thus 0.47 to 23 g TEQ yr-' total. The maximum likelihood estimate is approximately 0.3g TEQyr-' as soot and 1 g TEQ yr-' as ash. Any of these estimates constitutes a minuscule fraction of the 9300 g annual air emissions or the 20 m 5 0 OOO g (TEQ) annual deposition from the air estimated by EPA.


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