# Enbridge Party Submission-05-22-2012-Attachment Detection and Characterization of Coincident Cracking and Corrosion Utilizing Ultrasonic Shear Wave Inline Inspection Technology

**Citation:** DCA10MP007 docket item 131  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

DCA10MP007; docket item 131; Adobe PDF file.

## Document text

Enbridge Party Submission-05-22-2012-Attachment Detection and Characterization of Coincident Cracking and Corrosion Utilizing Ultrasonic Shear Wave Inline Inspection Technology DCA10MP007 docket item 131. 39 pages. 0 photograph references. Published media type: Adobe PDF file. Metadata only; the linked docket file is not mirrored.

## Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/Docket/Document/docBLOB?ID=40368564&FileExtension=.PDF&FileName=Enbridge%20Party%20Submission-05-22-2012-Attachment%20Detection%20and%20Characterization%20of%20Coincident%20Cracking%20and%20Corrosion%20Utilizing%20Ultrasonic%20Shear%20Wave%20Inline%20Inspection%20Technology-Master.PDF>
- Source ID: `ntsb-dockets`
- SHA-256: `954c5929dbea61f88825ad70d33ec790ea5791244920412d54365fff07f8f5a2`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-23T11:04:04.566Z
- Document slug: `ntsb-docket-item-40368564`

### Source metadata

```json
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  "ntsbNumber": "DCA10MP007",
  "blobId": "40368564",
  "ordinal": 131,
  "pages": 39,
  "photos": 0,
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  "fileExtension": ".PDF",
  "fileName": "Enbridge Party Submission-05-22-2012-Attachment Detection and Characterization of Coincident Cracking and Corrosion Utilizing Ultrasonic Shear Wave Inline Inspection Technology-Master.PDF",
  "docketUrl": "https://data.ntsb.gov/Docket/?NTSBNumber=DCA10MP007",
  "tableOfContentsUrl": "https://data.ntsb.gov/Docket/TOCPrintable?data=76766",
  "docketReportedMode": "Pipeline",
  "docketCreationDate": "2010-08-25",
  "docketLastModifiedDate": "2016-08-15",
  "docketPublicReleaseDate": "2012-05-22",
  "metadataOnly": true,
  "binaryMirrored": false,
  "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"
}
```