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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Thanks Norbert that was a great find.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">I was not referring to the certification of stoves in the comment below, I was referring to the declaration that particles are equally toxic for regulatory purposes, then the host of regulations
and guidelines which followed.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">To quote Nikhil:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal">“There are many sources of emissions of particulates of various sizes, often co-emitted and co-emitted with gases of different kinds. All these emissions have different pathways and residence times. We don't know squat about composition
and rates of emissions of household fuels, leave alone their determinants, pathways, ingestion. We don't know their toxicity by duration of exposure for different cohorts. Nor the disease incidence profiles.”<o:p></o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Now, how do we turn this current state of knowledge into a calculation of the length, in years, of the extension of some people’s lives, particular people, about whom we know next to nothing?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Crispin<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Stoves <stoves-bounces@lists.bioenergylists.org>
<b>On Behalf Of </b>tmiles@trmiles.com<br>
<b>Sent:</b> Thursday, May 24, 2018 7:00 PM<br>
<br>
<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">Thanks you Norbert. Paul and Jim did a lot of very good work.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Tom Miles <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Stoves [<a href="mailto:stoves-bounces@lists.bioenergylists.org">mailto:stoves-bounces@lists.bioenergylists.org</a>]
<b>On Behalf Of </b>Norbert Senf<br>
<b>Sent:</b> Thursday, May 24, 2018 3:39 PM<br>
<br>
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><br>
>>Date: Thu, 24 May 2018 17:00:15 +0000<br>
>>From: Crispin Pemberton-Pigott <<a href="mailto:crispinpigott@outlook.com">crispinpigott@outlook.com</a>><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">(snip)In the same way that the EPA has built sets of regulations ? quite expensive ones ? upon poorly documented evidence, or secret evidence (which is not evidence at all), (snip)<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">I can speak to a small piece of this, being familiar with NSPS, the New Source Performance Standards national woodstove particulate emissions regulations in the United States. They were based on work that was originally
done in Oregon, who was the the first to regulate woodstove PM emissions (or, rather, establish a certification system for woodstoves based on standardized laboratory PM emissions testing). A lot of the work was done by my good friend the late Paul Tiegs from
OMNI, and his colleague the late Stockton (Skip) Barnett. Skip developed the portable dilution tunnel that we (Masonry Heater Association) are still using and that most of the original clean burning stoves were developed on. A lot of work was done examining
things like fueling protocols, repeatability, cribs vs cordwood, etc., and back then was funded by EPA Region 10. I recently unearthed an AWMA paper that provides some of the details:<br>
<a href="https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fheatkit.com%2Fresearch%2Fdownloads%2Fkeepers%2FOregon%2520s%2520Woodstove%2520Certification%2520Program.pdf&data=02%7C01%7C%7Cbc854c9b9f3c44f482bf08d5c1ca7d66%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636627997780721441&sdata=ki3mrZv%2BpYZaiqJyiU1ywVHT5wcmMsOwS2HHDYBvWBI%3D&reserved=0">heatkit.com/research/downloads/keepers/Oregon%20s%20Woodstove%20Certification%20Program.pdf</a>
..........Norbert<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">-- <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Norbert Senf<br>
Masonry Stove Builders<br>
25 Brouse Road, RR 5<br>
Shawville Québec J0X 2Y0<br>
819.647.5092<br>
<a href="https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.heatkit.com&data=02%7C01%7C%7Cbc854c9b9f3c44f482bf08d5c1ca7d66%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636627997780721441&sdata=%2FPy596pmIyA%2FJqESINrqSqI22HuhavtdLGxorzezKUw%3D&reserved=0" target="_blank">www.heatkit.com</a><o:p></o:p></span></p>
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