CASE STUDY: SOOT, SMOKE, ODORS - FURNACE PUFF-BACK Project Description: Odor Investigation/Extent of Completed Restoration Scope of Services: AET was contracted by an insurance company to evaluate residual odor complaints from a homeowner following completion of restoration activities involving an oil fired boiler puff-back. A puff-back is an explosion or backfire of unburned oil in the combustion chamber of the boiler which can release signific

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