Dear Friends
Great to see the EPA specifying the particulate emissions in terms of heat yield: Section 247.5 Residential-Size New Outdoor Wood Boilers. (a) Emission limits. In order for a residential-size new outdoor wood boiler to be certified pursuant to Section 247.8 of this Part, it must not emit particulate emissions at a rate greater than a weighted average of 0.32 pounds per million British thermal units heat output using the year-round weighting factors in Test Method 28-OWHH (see Table 1, Section 200.9 of this Title). See: http://www.epa.gov/ttn/emc/prelim/otm15.pdf I calculate that to be 138 milligrammes per MegaJoule. Hope that's correct. In case someone is having trouble meeting that limit, I suggest the emissions during ignition be investigated because it may be possible to greatly reduce the year-round rating simply by not lighting it as often. The emissions during ignition certainly dominate anything we are measuring except in cases involving highly volatile fuel going into a hot stove In my book that 138 is a pretty high number. Should be easy to meet. Regards Crispin From: [email protected] [mailto:[email protected]] On Behalf Of John Olsen Sent: 04 January 2011 16:57 To: [email protected] Subject: [Stoves] New York State, U.S.A. list of what you cannot burn in outdoor wood boilers. <http://www.dec.ny.gov/chemical/69348.html> http://www.dec.ny.gov/chemical/69348.html JohnO
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