3
letter as ALT-146 on our website at
https://www.epa.gov/emc/broadly-applicable-approved-
alternative-test-methods
for use by other interested parties. This alternative method approval is
valid until such time that Subpart AAA is revised or replaced to require a different pellet heater
certification method, and at such time, this alternative will be reconsidered and possibly
withdrawn.
If you have additional questions regarding this approval, please contact Angelina Brashear of my
staff at 919-541-4746 or
Sincerely,
Steffan M. Johnson
Group Leader
Measurement Technology Group
cc:
Angelina Brashear – EPA/OAQPS/AQAD
Chuck French – EPA/OAQPS/SPPD
Rafael Sanchez – EPA/OECA
Robert Scinta – EPA/OECA
Michael Toney – EPA/OAQPS/AQAD
Nathan Topham – EPA/OAQPS/SPPD
John Voorhees – United States Stove Company
Chet Wayland – EPA/OAQPS/AQAD
Summary of Contents for KP5522-P
Page 11: ...Project 22 753 Model KP5522 Page 10 Appliance Front Appliance Left...
Page 12: ...Project 22 753 Model KP5522 Page 11 Appliance Right Appliance Rear...
Page 14: ...Project 22 753 Model KP5522 Page 13 Pellet Fuel Analysis...
Page 17: ...Project 22 753 Model KP5522 Page 16 Sealed Unit...
Page 19: ...Appendix A...
Page 66: ...Project 22 751 Model Charnwood Skye E700 Page 16 Tunnel Schematic...
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Page 103: ...Appendix B...
Page 127: ...2022 United States Stove Company 23 NOTES...
Page 128: ...24 2022 United States Stove Company NOTES...
Page 129: ...2022 United States Stove Company 25 NOTES...
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Page 163: ...Appendix C...
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Page 189: ...Appendix E...
Page 192: ...1 1 2 2 3 3 4 4 A A B B A B C...