# Pipeline Safety: Potential Low and Variable Yield and Tensile Strength and Chemical Composition Properties in High Strength Line Pipe

**Citation:** PHMSA-2009-0148  
**Type / status:** rulemaking / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** Not stated

Pipeline Safety: Potential Low and Variable Yield and Tensile Strength and Chemical Composition Properties

## Document text

Pipeline Safety: Potential Low and Variable Yield and Tensile Strength and Chemical Composition Properties

## Provenance

- Official: Yes
- Source: <https://www.regulations.gov/docket/PHMSA-2009-0148>
- Source ID: `regulations-gov`
- SHA-256: `e5c96ebda30b0dff253daa7a68c2e8f417ce542b696ab77475c2163f4fc8fc91`
- Retrieved: 2026-08-20T02:11:23.714Z
- Exported: 2026-08-24T10:35:42.705Z
- Document slug: `regulations-gov-phmsa-2009-0148`

### Source metadata

```json
{
  "docketId": "PHMSA-2009-0148",
  "docketType": "Nonrulemaking",
  "agencyId": "PHMSA",
  "lastModifiedDate": "2021-02-10T01:40:58Z",
  "collectionQuery": "PHMSA pipeline",
  "metadataOnly": true,
  "jurisdiction": "US"
}
```