I would like to see the supporting documentation, testimony, and calculations (including assumptions, and model settings).
I suspect in the strongest terms that the estimates are intentionally inflated, and would not withstand thorough scientific scrutiny.
My recommendation to Congress critters would be to have independent experts examine the "evidence".
(No contrary evidence, just a hunch.)
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Right you are. The phrase "as much as" is the real red flag here. What the EPA is really saying is this: wood-fired devices contribute to between 0 and 13% of all soot pollution.
And that's a laughably meaningless statement.
I suspect in the strongest terms that the estimates are intentionally inflated, and would not withstand thorough scientific scrutiny.
My recommendation to Congress critters would be to have independent experts examine the "evidence".
(No contrary evidence, just a hunch.)
I share your skepticism. I believe the EPA "estimates" are whole cloth lies.