Tank 241-AZ-102 Privatization Push Mode Core Sampling and Analysis Plan Page: 1 of 49
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ENGINEERING CHANGE NOTICE - - - -- - ----
Page 1 ofPro.
Peg.I ofECN
2. ECN Category 3. Originator's Name, Organization, MSIN, 4. USC Required? 5. Date
(mark one) and Telephone No.
Supplemental [] Juergen H. Rasmussen, Data [II Yes [X] No 07/30/99
Direct Revision [X] Development and Interpretation,
Change ECN [] R2-12, 373-1128
Temporary []
Standby [] 6. Project Title/No./Work Order No. 7. Bldg./Sys./Fac. No. 8. Approval Designator
Cance"oi U Tank 241-AZ-102 N/A Q
9. Document Numbers Changed by this ECN 10. Related ECN No(s). 11. Related PO No.
(includes sheet no. and rev.)
HNF-4577, Rev. 2 ECNs: 654977, N/A
654981, 654986
12a. Modification Work 12b. Work Package 12c. modification Work Complete 12d. Restored to Original Condi-
No. tion (Temp. or Standby ECN only)
[1 Yes (fill out BIk. N/A N/A N/A
12b)
[X] No (NA BLks. 12b, Design Authority/Cog. Engineer Design Authority/Cog. Engineer
l2c, 12d) Signature & Date Signature & Date
13a. Description of Change 13b. Design Baseline Document? L] 'Yes EX) No
This revision descopes safety screening and flammable gas DQO requirements from this
sampling event. These changes affect the sample analysis scheme and ripple throughout
the document.
14a. Justification (mark one)
Criteria Change [Xl Design Improvement [] Environmental [] Facility Deactivation []
As-Found [] Facilitate Const [] Const. Error/Omission [] Design Error/Omission [1
14b. Justification Details
This tank sampling and analysis plan is descoped to reflect an evaluation which
determined that safety screening requirements have already been met for this tank and
that the Flammable Gas DQO will no longer be applied to the condensed phases of this
tank.
15. Distribution (include name, MSIN, and no. of copies) RELE M
See attached distribution. 2 . T
DATE W R
STA' q Rt:A-7900-0131-
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Rasmussen, J. H. Tank 241-AZ-102 Privatization Push Mode Core Sampling and Analysis Plan, report, August 2, 1999; United States. (https://digital.library.unt.edu/ark:/67531/metadc739551/m1/1/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.