# PIPELINE OPERATIONS & INTEGRITY MANAGEMENT ATTACHMENT \#93 - USING A PROBABILITY APPROACH TO RANK IN-LINE INSPECTION ANOMALIES FOR EXCAVATION AND FOR SETTING REINSPECTION INTERVALS, 2000 REPORT

**Citation:** PLD19FR002 docket item 112  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

PLD19FR002; docket item 112; Text/Image.

## Document text

PIPELINE OPERATIONS & INTEGRITY MANAGEMENT ATTACHMENT #93 - USING A PROBABILITY APPROACH TO RANK IN-LINE INSPECTION ANOMALIES FOR EXCAVATION AND FOR SETTING REINSPECTION INTERVALS, 2000 REPORT PLD19FR002 docket item 112. 13 pages. 0 photograph references. Published media type: Text/Image. Metadata only; the linked docket file is not mirrored.

## Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/Docket/Document/docBLOB?ID=11789948&FileExtension=pdf&FileName=%2396%20-%20Unity%20plots%20Kiefner%20paper-Rel.pdf>
- Source ID: `ntsb-dockets`
- SHA-256: `5cf80945e57faf70f0bf241297c5c9b21bc019b1891b4c6ea5c40a0e43787a07`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-23T09:23:06.734Z
- Document slug: `ntsb-docket-item-11789948`

### Source metadata

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  "docketReportedMode": "Pipeline",
  "docketCreationDate": "2019-12-23",
  "docketLastModifiedDate": "2023-01-09",
  "docketPublicReleaseDate": "2021-03-11",
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  "caveat": "Docket item metadata and official link only. The title does not establish authorship, evidentiary weight, NTSB endorsement, legal effect, or a current regulatory finding; party submissions and evidence binaries are not mirrored.",
  "jurisdiction": "US"
}
```