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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText>Dear Alex<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>I took a guess at the EA for your device and the CO/CO2 (also called CO<sub>r</sub>) was 0.01% when we tested that same unit in the parking lot. That is the same as 0.0001.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Everyone please note that the low number is not be any means unmatched and it is not because he is not burning most of the carbon. It is just what a really good combustor is like. The coal burning (high carbon) GTZ7 TLCD and Silver 026 TLUD stoves are even better for sustained periods.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Alex I think you and I should so a couple of tests on a scale here in Waterloo. I can connect the scale to the computer and record the mass continuously. We can take emissions/efficiency measurements now and then. I have some switchgrass pellets of different sizes from Roger Samson to try if you want. You can bring the (pop)corn. <span style='font-family:Wingdings'>J</span><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Regards<o:p></o:p></p><p class=MsoPlainText>Crispin<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p></div></body></html>