From:	Jeff Clark
Sent:	Tuesday, September 09, 2003 2:05 PM
To:	Andrew Ritchie (E-mail); Bill Larch (E-mail); Bob Campbell (E-mail); Charlie Passut (E-mail) (E-mail); Dan Pridemore (E-mail); Floyd Albert (E-mail); Greg Shank (E-mail); Jeff Clark; Jim Gutzwiller (E-mail); Jim Matasic (E-mail); Jim Moritz (E-mail); Jim Rutherford (E-mail); Joe Franklin (E-mail); John Haegelin (E-mail); John Knight (E-mail); Ken Goshorn (E-mail); Mark Cooper (E-mail); Mark Rees (E-mail); Michael Minotti (E-mail); Ms. Gita Krishnaswamy (E-mail); Pat Fetterman (E-mail); Riccardo Conti (E-mail); Ron Buck (E-mail); Scott Richards (E-mail); Stacy Bond (E-mail); Steve Gearhart (E-mail); Steve Kennedy (E-mail); Tom Franklin (E-mail); Wim Van Dam (E-mail)
Subject:	T-11 Task Force Meeting Minutes - Sept. 4, 2003
Unconfirmed Minutes of the September 4, 2003
Meeting of the T-11 Task Force
Richmond, VA

         Call to Order-
The Chairman, Steve Kennedy, called the meeting to order at 2:28 pm.
 
Membership-
There were no recorded changes in membership.

Minutes-
The minutes of the August conference call were approved as issued.

Alternate Approach to Manage Soot Rate / Test Validity-
Steve mentioned that members of the task force have questioned the need for three soot windows; perhaps the last one is not necessary. Steve floated the idea of eliminating the last window and moving the first two windows back 12 hours each (adjusting the magnitude of the soot windows accordingly) and then adding a measure that quantifies how far off the idea curve a test is run. A 204 hour window is much closer to the 6% soot level. As part of the discussion, Jim Rutherford showed some plots (presentation is attached). At the conclusion of a lengthy discussion, the soot criteria were changed as follows: the 252-hour window has been moved to 228-hours (6.09 to 6.97). The injection timing cannot be changed after 228 hours. It is explicitly understood that the soot validity criteria are hard and fast requirements. The 48-hour maximum soot recommendation has been removed. This motion passed 7-1-0.

Additionally, criteria using the area away from the ideal curve will be investigated.

Timing Adjustment Window-
The +/- 3.0 degree window is left in place as a guideline.

Need to Adjust Viscosity Increase at 6% Soot-
This will not be charted and severity adjusted. In the case that a test does not reach 12 cSt, the test result can be reported as > the EOT soot.

Issues/Concerns with Oil Analyses-
The 90 pass shear testing is being developed in section 7. Rotational Viscosity and Soot Measurement work groups are progressing.

Future of T-11 Task Force-
The task force agreed that it was time to roll the T-11 into the Mack SP. It was acknowledged that a research report needs to be developed for the T-11.

	The meeting concluded at 4:30 pm.

Regards,

Jeff Clark
Staff Engineer
ASTM Test Monitoring Center
6555 Penn Ave.
Pittsburgh, PA 15206
Ph: 412-365-1032
Fx: 412-365-1047
Email: jac@astmtmc.cmu.edu
or       jaclark@cmu.edu

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