# Pipeline Operations -- PHMSA Interpretation PI-70-004 - Regulators and Sensing Lines

**Citation:** PLD18MR003 docket item 41  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

PLD18MR003; docket item 41; Adobe PDF file.

## Document text

Pipeline Operations -- PHMSA Interpretation PI-70-004 - Regulators and Sensing Lines PLD18MR003 docket item 41. 4 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=40476233&FileExtension=.PDF&FileName=Pipeline%20Operations%20--%20PHMSA%20Interpretation%20PI-70-004%20-%20Regulators%20and%20Sensing%20Lines-Master.PDF>
- Source ID: `ntsb-dockets`
- SHA-256: `2e48f6a6e0335589be9ab0a7f65cbac9c80782b79a93002aa8ee6041617aedb2`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-22T16:43:18.968Z
- Document slug: `ntsb-docket-item-40476233`

### Source metadata

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  "ntsbNumber": "PLD18MR003",
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  "ordinal": 41,
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  "fileName": "Pipeline Operations -- PHMSA Interpretation PI-70-004 - Regulators and Sensing Lines-Master.PDF",
  "docketUrl": "https://data.ntsb.gov/Docket/?NTSBNumber=PLD18MR003",
  "tableOfContentsUrl": "https://data.ntsb.gov/Docket/TOCPrintable?data=98293",
  "docketReportedMode": "Hazmat",
  "docketCreationDate": "2019-09-24",
  "docketLastModifiedDate": "2020-07-07",
  "docketPublicReleaseDate": "2019-09-24",
  "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"
}
```