Consequence analysis of a NaOH solution spray release during addition to waste tank. Revision 2 Page: 1 of 66
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ENGINEERING CHANGE NOTICE l-O. 090
Page 1 of Poj
ECN
2. ECN Category 3. Originators Name, Organization, MSIN, 4. US Required? 5. Date
(mark one) and Telephone No.
Supplemental [ R.J. Van Vleet, 403, A3-34, [] Yes [X] No 06/27/97
Direct Revision tx1 376-2613
Change ECN 1 6. Project Title/No./Work Order No. 7. Bldg./Sys./Fac. No. 8. Approval Designator
Temporary 02
Standby 1 Project W-320 Tank Farms N/A
Supersedure 1)
Cancel/Void [j 9. Document Numbers Changed by this ECN 10. Related ECN No(s). 11. Related PO No.
(includes sheet no. and rev.)
WHC-SD-WM-CN-065, Rev. 1 N/A N/A
12a. Modification Work 12b. Work Package 12c. Modification Work Complete 12d. Restored to Original Condi-
No. tion (Temp. or Standby ECN only)
[] Yes (fill out Blk. N/A N/A N/A
12b)
[X] No (NA Rbs 12b, Design Authority/Cog. Engineer Design Authority/Cog. Engineer
1Sc, 12d) Signature & Date Signature & Date13a. Description of Change
Replacement of Rev. I with Rev. 2.13b. Design Baseline Document? [] Yes [X] No
The attached Calculation Note documents the originator's analysis only. It shall not
be used as the final or sole document for affecting changes to an authorization basis
or safety basis for a facility or activity.
14o- Justification (mark one)
Criteria Change [] Design Improvement [X] Environmental [] Facility Deactivation []
As-Found [] Facilitate Const [] Const. Error/Omission [] Design Error/Omission []
14b. Justification Details
Revision I has been updated to include the delivery of caustic soda (sodium hydroxide)
to the waste tank using a pressurized cargo tank truck.
15. Distribution (include name, MSIN, and no. of copies) m Fa
See attached distribution sheet. "
DATE !7
STA' A7ID
A-7900-013-2 (05/96) GEF095
A-7900-O13-1 (08/92)
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Van Vleet, R.J. & Lancing, L.C. Consequence analysis of a NaOH solution spray release during addition to waste tank. Revision 2, report, July 8, 1997; Richland, Washington. (https://digital.library.unt.edu/ark:/67531/metadc677420/m1/1/?q=technical+manual: accessed July 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.