The LEED Steering Committee's Charge to TSAC, regarding EA Credit 4 (Ozone Protection)
Task Group Status within the TSAC 9-Step Process
Final report: The Treatment by LEED of the Environmental Impact of HVAC Refrigerants
Solicitations for Public Input and Interest
- Submit Comments on HCFC Task Group Final Report Draft: DUE AUGUST 28, 2004
This draft reflects input received from the first public comment period and stakeholder input relative to the Draft Interim Report issued in January 2004, as well as additional analysis and research performed by the Task Group. TSAC is receiving comments on this final draft for the next 30 days (until midnight, Eastern Time, on August 28th). Submit formal comments to the TSAC e-mail address ( tsac@commitees.usgbc.org) as an attached document. Please reference line numbers and provide comments that are specific and clear. (Posted 7/27/04)
- Submit Additional Reports for Consideration: EXPIRED
March 1, 2004, was the deadline for advising the Task Group about relevant reports that are not already included in the list of reports posted on this Web page or cited in the draft HCFC report. " Add Reports" form.
- Public Meeting and Interim Report Review: COMPLETED
TSAC held a public meeting for HCFC stakeholders on February 17, 2004, at the Melrose Hotel in Washington, DC. The purpose of the meeting was to receive stakeholders' comments on the Task Group's first draft report, which outlines environmental impacts of common refrigerants in centrifugal water chillers and recommends a basis for relevant LEED credit development (e.g., EA Credit 4, Ozone Protection). See the Public Meeting Guidelines and AGENDA. All stakeholders were instructed to submit their letters/papers electronically to tsac@committees.usgbc.org for consideration. Meeting attendance was not required. Attendance list. Stakeholder speaker list. The deadline for submitting comments for this phase was February 17. Submissions are listed on the lower portion of this page. (Posted 11/21/03, revised 4/5/04.)
- Soliciitation for Evidence Documents (Posted 11/7/03): EXPIRED/SUPERCEDED
To submit evidence that is not already listed on the Ozone/HCFC issue Web page (below), send your submission to tsac@committees.usgbc.org.
- Solicitation for HCFC/refrigerants Stakeholders (Posted 11/7/03. Ongoing solicitation):
The Technical and Scientific Advisory Committee (TSAC) has been charged by the Steering Committee with reviewing “all of the atmospheric environmental impacts arising from the use of halocarbons in HVAC equipment and recommend a basis for LEED credits that gives appropriate credit to the alternatives.” In order to evaluate this issue, the TSAC is soliciting stakeholders who wish to provide technical input or information, and/or wish to be kept apprised of progress. Sign Up to Receive Public Announcements
Anyone with a Web site user account can join the TSAC HCFC announcement listserv, regardless of USGBC membership status. If you consider yourself a stakeholder in this issue, and would like to be included in the e-mail distrubution, please do the following:
1) Go to www.usgbc.org.
2) Click on ‘Your Account’ (in the header). Log in, and Click ‘Go’. Create a site user account if you do not already have one.
3) Click on ‘Your Committees’.
4) Click on ‘Join’ to subscribe to any listservs of interest.
Stakeholder Commentary and Submissions
American Council for an Energy Efficient Economy - February 2004
American Council for an Energy Efficient Economy Presentation - February 2004
James Calm Presentation - February 2004
J.M. Calm and G.C. Hourahan, " Refrigerant Data Summary," Engineered Systems, 18(11): 74-88, November 2001
Carrier Presentation - February 2004
McQuay - February 2004
McQuay Presentation - February 2004
TRANE Additional Comments - March 2004
TRANE Presentation Comments - February 2004
TRANE Presentation - February 2004
York Presentation - February 2004
TRANE's commentary on LEED ozone credit - January 2004
McQuay International's commentary on LEED ozone credit - December 2003
H. Pearson, " Hints of Ozone Recovery Spotted," Nature, July 2003.
" Building Owners Save Money, Save the Earth: Replace your CFC Air Conditioning Chiller," EPA-430-F-02-026, December 2002.
J. M. Calm, " Options and Outlook for Chiller Refrigerants," International Journal of Refrigeration, 25(6):705-715, September 2002 (may be viewed for free at the author's Web site)
J. M. Calm, " Emissions and Environmental Impacts from Air-Conditioning and Refrigeration Systems," International Journal of Refrigeration, 25(3):293-305, May 2002 (may be viewed for free at the author's Web site)
M. G. Ivanovich and J. M. Calm, " The Causes, Effects, and Future of Stratospheric Ozone Depletion," Heating/Piping/Air Conditioning Engineering, 73(8):60-63, August 2001
J. M. Calm, D. J. Wuebbles, and A. K. Jain, " Impacts on Global Ozone and Climate from Use of 2,2-Dichloro-1,1,1-trifluoroethane (HCFC-123)," Journal of Climatic Change, 42(2):439-474, June 1999
Kruse, Dr. H., " Refrigerant Use in Europe," ASHRAE Journal, September 2000
TRANE brochure, " CFC-FREE: The Challenge of Change" - July 1998
Wuebbles, D. and Calm, J., " An Environmental Rationale for Retention of Endangered Chemicals," Science Magazine, Volume 278, November 1997
Calm, J., and Didion, D., " Trade-Offs in Refrigerant Selections: Past, Present and Future," Regrigerants for the 21st Century, Proceedings of the ASHRAE/NIST Refrigerants Conference October 1997
Andersen, S., and Morehouse, E., " The Ozone Challenge: Industry and Government Learned to Work Together to Protect Environment," ASHRAE Journal, September 1997
Calm, J., " The Four Rs," Engineered Systems, October 2003
New Zealand NIWA news release 5Nov'03: Record Loss of Ozone Over Antarctica
The State of Stratospheric Ozone Depletion, September 2003, by Global Environment and Technology Foundation
Carrier Corporation position statement on LEED ozone credit - September 2003
York International position statement on LEED ozone credit - August 2003
American Standard's refrigerant presentation - 2001
Green Seal statement on LEED ozone credit - Jul 2001
Letters from Various Stakeholders - 2000
Ozone Credit Proposed by Green Seal