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<div><font face="Arial, Helvetica, sans-serif" style="background-color: transparent;">the Maasai stove has cut down on burns. Hard to document. it is cool enough to touch except for the cooking top itself. and is small, but massive and immovable and firmly on a brick foundation and attached to a brick chimney. Kids sit right next to it safely while their mothers cook. all complaints of burns have ended.</font></div>
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<div>ending burns is something we are very proud of.</div>
<div> </div>
<div>check our website for stove design</div>
<div> </div>
<div><a href="http://www.internationalcollaborative.org">www.internationalcollaborative.org</a></div>
<div> </div>
<div>bob lange</div>
<div>Maasai Stoves and Solar</div>
<div>+1 508 735 9176</div>
<div> </div>
<div style="color: black; font-family: arial,helvetica; font-size: 10pt;">-----Original Message-----<br>
From: Erin Rasmussen <erin@trmiles.com><br>
To: 'Discussion of biomass cooking stoves' <stoves@lists.bioenergylists.org><br>
Cc: 'Radha Muthiah' <rmuthiah@cleancookstoves.org>; 'Ajay Pillarisetti' <ajaypillarisetti@gmail.com>; 'Kirk R. Smith' <krksmith@berkeley.edu>; 'Ranyee Chiang' <rchiang@cleancookstoves.org><br>
Sent: Thu, Sep 4, 2014 1:14 pm<br>
Subject: Re: [Stoves] FW: health impact?<br>
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<div class="MsoNormal"><span style="font-family:; font-size: 11pt;">It's surprising to me that there is no calculation of overall stove safety in these studies of health benefits. Reducing emissions is important, but preventing burns and fires is also critically important to stove use and performance. </span></div>
<div class="MsoNormal"><span style="font-family:; font-size: 11pt;"> </span></div>
<div class="MsoNormal"><span style="font-family:; font-size: 11pt;">I wonder if there is a way to adjust our metrics to account for some of the 'basics': building stoves with safety features; preventing skirt fires; preventing scalding and severe burns to arms and legs and fingers and toes (and faces). Disfigurement may be fatal in some areas, but even when it's not it's bound to have non-trivial life-long impacts. </span></div>
<div class="MsoNormal"><span style="font-family:; font-size: 11pt;"> </span></div>
<div class="MsoNormal"><span style="font-family:; font-size: 11pt;">Erin Rasmussen</span></div>
<div class="MsoNormal"><span style="font-family:; font-size: 11pt;"><a href="mailto:erin@trmiles.com">erin@trmiles.com</a> </span></div>
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<div class="MsoNormal"><b><span style="font-family:; font-size: 10pt;">From:</span></b><span style="font-family:; font-size: 10pt;"> Stoves [<a href="mailto:stoves-bounces@lists.bioenergylists.org?">mailto:stoves-bounces@lists.bioenergylists.org</a>] <b>On Behalf Of </b>Sumi Mehta<br>
<b>Sent:</b> Thursday, September 04, 2014 8:15 AM<br>
<b>To:</b> <a href="mailto:stoves@lists.bioenergylists.org">stoves@lists.bioenergylists.org</a><br>
<b>Cc:</b> Radha Muthiah; Ajay Pillarisetti; Ranyee Chiang; Kirk R. Smith<br>
<b>Subject:</b> [Stoves] FW: health impact?</span></div>
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<div class="MsoNormal"> </div>
<div class="MsoNormal">Thanks, Marc-Antoine, for your keen interest in ensuring the health benefits of adopting clean cooking technologies. As you can imagine, this is of very high priority here at the Alliance. Our aim is to ensure the promotion of cleaner cooking technologies, i.e. the cleanest possible technologies accessible and available for different customer segments. In addition, since the long term goal is universal adoption of truly ‘clean’ cooking, we are committed and working with partners to ensure that the cleanest possible technologies are developed for all fuels currently in use. <br>
We are also committed to ensuring that people can shift to cleaner and cleaner technologies and fuels, by working with a wide range of our partners to facilitate increased access and affordability. <br>
<br>
As you are aware, there is even a wide variability of performance associated with the range of rocket stoves available. Indeed, HAPIT offers different performance scenarios to reflect the range of options in the market (as well as aspirational performance), and the Alliance’s work will strive to cover the range of options available. In any case, I will leave it to Kirk and his team to reply about the HAPIT-specific questions in more detail.... <br>
<br>
<span style="color: rgb(31, 73, 125);">Regards,</span></div>
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<div class="MsoNormal"><span style="font-family:; font-size: 11pt;">Sumi</span></div>
<div class="MsoNormal"><span style="font-family:; font-size: 11pt;"> </span></div>
<div class="MsoNormal"><span style="font-family:; font-size: 10pt;">Sumi Mehta, MPH, PhD<br>
Director of Research and Evaluation<br>
1750 Pennsylvania Avenue, NW, Suite 300<br>
Washington DC 20006<br>
tel: +1 202-787-5642 <br>
</span><span style="font-family:; font-size: 11pt;"><a href="mailto:smehta@cleancookstoves.org"><span style="color: rgb(5, 99, 193); font-size: 10pt;">smehta@cleancookstoves.org</span></a><br>
<a href="http://www.cleancookstoves.org/" target="_blank"><span style="color: rgb(5, 99, 193); font-size: 10pt;">www.cleancookstoves.org</span></a></span></div>
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<div class="MsoNormal" style="margin-left: 0.5in;">From: Marc-Antoine Pare <<a href="mailto:marcpare0@gmail.com">marcpare0@gmail.com</a>></div>
<div class="MsoNormal" style="margin-left: 0.5in;">Date: September 3, 2014, 2:57:50 AM EDT</div>
<div class="MsoNormal" style="margin-left: 0.5in;">To: Discussion of biomass cooking stoves <<a href="mailto:stoves@lists.bioenergylists.org"> stoves@lists.bioenergylists.org</a>></div>
<div class="MsoNormal" style="margin-left: 0.5in;">Subject: [Stoves] health impact?</div>
<div class="MsoNormal" style="margin-right: 0in; margin-bottom: 12pt; margin-left: 0.5in; mso-margin-top-alt: 0in;">Reply-To: Discussion of biomass cooking stoves <<a href="mailto:stoves@lists.bioenergylists.org"> stoves@lists.bioenergylists.org</a>></div>
<div class="MsoNormal" style="margin-left: 0.5in;">Hi everyone,</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">A big confession: having tinkered with stoves for years, I never actually looked into the numbers of stove health impacts. I'm trying to fix that, and I hope you can help!</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">I mean, yes, I can wave my hands about PM and CO and four million deaths!</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">But how many deaths (or DALYs) do you avert per stove? Or per 10,000 stoves? Or per 100,000,000?</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">I thought it would be an easy question to answer, but it's turning out to be quite tricky to even ballpark.</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">Here is one interesting source. This is from the very recent webinar on Kirk Smith's HAPIT tool. </div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;"><a href="http://www.cleancookstoves.org/resources_files/hapit-results-rwanda.pdf" target="_blank">http://www.cleancookstoves.org/resources_files/hapit-results-rwanda.pdf</a> </div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">This report considers 25,000 households.</div>
<div class="MsoNormal" style="margin-left: 0.5in;">If you provide all of those households a rocket stove, you save only 0.75 lives per year.</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">If you take the GACC's target 100,000,000 households, that would mean</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">0.75/25000*100000000 = 3,000 lives saved worldwide annually.</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">What am I missing there? This seems so small.</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">Some speculation:</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">Kirk Smith mentions in the HAPIT webinar that even a small amount of PM2.5 is still harmful. Perhaps biomass stoves just don't get the number low enough?</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">I think this would fit with the chart in the linked PDF that shows that stoves only reduce deaths by <5% for indoor air pollution. A few times in the HAPIT webinar, they mention "a lot of lives are still left on the table."</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">This also seems to agree with something I found in Christian L'Orange's dissertation:</div>
<div class="MsoNormal" style="margin-left: 0.5in;"><a href="http://digitool.library.colostate.edu/exlibris/dtl/d3_1/apache_media/L2V4bGlicmlzL2R0bC9kM18xL2FwYWNoZV9tZWRpYS8yNDYyOTQ=.pdf" target="_blank">http://digitool.library.colostate.edu///exlibris/dtl/d3_1/apache_media/L2V4bGlicmlzL2R0bC9kM18xL2FwYWNoZV9tZWRpYS8yNDYyOTQ=.pdf</a> </div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">Figure 33 shows that Envirofit G3300 stoves only have a 3% (or so) impact on "Adjusted Relative Risk" (of death)</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">Please do not worry about hurting my feelings in correcting these numbers. Am I thinking about this the wrong way around? Have I punched the numbers in incorrectly? </div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-left: 0.5in;">Also, I would be very interested to read more good papers on health impacts for stoves. It is all really quite interesting work. I feel bad that I didn't look at it sooner.</div>
<div class="MsoNormal" style="margin-left: 0.5in;"> </div>
<div class="MsoNormal" style="margin-right: 0in; margin-bottom: 12pt; margin-left: 0.5in; mso-margin-top-alt: 0in;">Best,</div>
<div class="MsoNormal" style="margin-right: 0in; margin-bottom: 12pt; margin-left: 0.5in; mso-margin-top-alt: 0in;">Marc Paré</div>
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<pre style="font-size: 9pt;"><tt>_______________________________________________
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