# Control Room and SCADA Operation - Figure 12; Shows Griffith to Marshall 20 Minutes Alarm Imbalance Source: Enbridge NTSB-PHMSA IR 1

**Citation:** DCA10MP007 docket item 171  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

DCA10MP007; docket item 171; Adobe PDF file.

## Document text

Control Room and SCADA Operation - Figure 12; Shows Griffith to Marshall 20 Minutes Alarm Imbalance Source: Enbridge NTSB-PHMSA IR 1 DCA10MP007 docket item 171. 1 page. 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=40363655&FileExtension=.PDF&FileName=Control%20Room%20and%20SCADA%20Operation%20-%20Figure%2012;%20Shows%20Griffith%20to%20Marshall%2020%20Minutes%20Alarm%20Imbalance%20Source%3A%20Enbridge%20NTSB-PHMSA%20IR%201-Master.PDF>
- Source ID: `ntsb-dockets`
- SHA-256: `cceea3831ed250f9266a87d5549335542543e826550d72e4fae7473fb4c55482`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-23T05:36:22.606Z
- Document slug: `ntsb-docket-item-40363655`

### Source metadata

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  "docketCreationDate": "2010-08-25",
  "docketLastModifiedDate": "2016-08-15",
  "docketPublicReleaseDate": "2012-05-22",
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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"
}
```