# Advisory Committee on Reactor Safeguards; Revisions
The agenda for the 485th ACRS meeting, scheduled to be held on September 5-8, 2001, has been revised to reflect the changes noted below. Notice of this meeting was previously published in the *Federal Register* on Thursday, August 9, 2001 (66 FR 41911).
**Wednesday, September 5, 2001**
• The discussion of the power uprate application for the Duane Arnold Energy Center scheduled between 8:35 and 10 a.m. has been canceled due to the unavailability of the NRC staff's safety evaluation report.
• The discussion of the Proposed Resolution of Generic Safety Issue (GSI)-191, “Assessment of Debris Accumulation on PWR Sump Pump Performance” has been rescheduled to Wednesday, September 5, 2001 between 8:35 and 10 a.m.
All other items for September 5, 2001 meeting remain the same as previously announced in the *Federal Register* on Thursday, August 9, 2001 (66 FR 41911).
**Thursday, September 6, 2001**
• The discussion of the TRACG best-estimate large-break loss-of-coolant accident code has been rescheduled to Thursday, September 6, 2001 between 10:20 and 12 Noon.
• The discussion of the proposed final revision to Regulatory Guide 1.78 (DG-1089), “Main Control Room Habitability During a Postulated Hazardous Chemical Release,” has been rescheduled to 1 and 2 p.m.
• A report by the Chairman of the Thermal-Hydraulic Phenomena Subcommittee on the results of the July 17-18, 2001 meeting held at the Oregon State University has been added and scheduled between 2 and 2:30 p.m.
• The preparation of ACRS reports will start at 2:45 p.m. instead of 3:30 p.m. as previously announced.
All other items for September 6, 2001 meeting remain the same as previously announced in the *Federal Register* on Thursday, August 9, 2001 (66 FR 41911).
For further information contact: Dr. Sher Bahadur (telephone 301-415-0138), between 7:30 a.m. and 4:15 p.m., EDT.
Dated: August 10, 2001.
Annette Vietti-Cook,
Acting Advisory Committee Management Officer.