Process Test Plan for 4TH Generation Hanford Corrosion Monitoring System

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Description

Instrumentation and cabinets for the 241-AN-107 and 241-AN-102 corrosion monitoring systems will be upgraded in FY 2000. The bulk of the field work involved in this task will involve placement of the corrosion monitoring data collection hardware closer to the risers that house the existing corrosion probes. This will be accomplished by placing a new climate controlled cabinet by the risers containing corrosion probes on these two tanks (one cabinet per tank). Once installed the systems will feed data back to a centralized corrosion monitoring station in the 241-AN-271 instrument building. The upgraded systems will be operated under the bounds ... continued below

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9 pages

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NORMAN, E.C. June 20, 2000.

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Description

Instrumentation and cabinets for the 241-AN-107 and 241-AN-102 corrosion monitoring systems will be upgraded in FY 2000. The bulk of the field work involved in this task will involve placement of the corrosion monitoring data collection hardware closer to the risers that house the existing corrosion probes. This will be accomplished by placing a new climate controlled cabinet by the risers containing corrosion probes on these two tanks (one cabinet per tank). Once installed the systems will feed data back to a centralized corrosion monitoring station in the 241-AN-271 instrument building. The upgraded systems will be operated under the bounds of this Process Test Plan (PTP) for six principle reasons. These reasons were established prior to installing the original systems in 1997 (241-AN-107) and 1998 (241-AN-102). They are as follows: (1) Acquire corrosion data on the waste in 241-AN-107 and 241-AN-102. (2) Provide supporting data to the site's Integrity Assessment program. (3) Demonstrate that corrosion monitoring by evaluation of electrochemical noise data is possible in waste tank systems, particularly with regard to the detection of general corrosion and (if present) pitting and stress corrosion cracking. (4) Demonstrate the durability of the design of the corrosion monitoring equipment. (5) Extend tank life and reduce annual operations cost. (6) Provide basis to control corrosion in double shell tanks though the use of direct corrosion monitoring rather than waste sampling and analysis. The designs of the existing corrosion probes in 241-AN-107 and 241-AN-102 were reviewed and documented prior to the original installation activities in 1997 and 1998. Initial programmatic documentation for Hanford's corrosion monitoring program was also established prior to the original installation activities.

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9 pages

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INIS; OSTI as DE00804243

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  • Other Information: PBD: 20 Jun 2000

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  • Report No.: RPP-6400, Rev.0
  • Grant Number: AC27-99RL14047
  • DOI: 10.2172/804243 | External Link
  • Office of Scientific & Technical Information Report Number: 804243
  • Archival Resource Key: ark:/67531/metadc736733

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • June 20, 2000

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • April 21, 2016, 6:51 p.m.

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NORMAN, E.C. Process Test Plan for 4TH Generation Hanford Corrosion Monitoring System, report, June 20, 2000; United States. (digital.library.unt.edu/ark:/67531/metadc736733/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.