# Storage Technology Corp. — Hazardous Materials Safety Interpretation

**Citation:** 99-0220  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 1999-10-12

99-0220 response to Storage Technology Corp. concerning 172.303.

## Document text

99-0220. Organizations: Storage Technology Corp.. Recipients: Mr. Jerry Beasley. Cataloged sections: 172.303. The catalog exposes only a linked correspondent attachment; no agency response body is mirrored or indexed.

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/1999/990220.pdf>
- Source ID: `phmsa`
- SHA-256: `50c1453df50d3121f55b79467456eaa3bf76df3e9b46884c6197cb61929bef0e`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-24T05:15:03.340Z
- Document slug: `phmsa-interpretation-99-0220`

### Source metadata

```json
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  "materialSubtype": "interpretation",
  "interpretationArea": "hazardous_materials",
  "representation": "catalog_metadata_with_link_only_correspondent_attachment",
  "companies": [
    "Storage Technology Corp."
  ],
  "individuals": [
    "Mr. Jerry Beasley"
  ],
  "refIds": [
    "99-0220"
  ],
  "catalogDates": [
    "1999-10-12"
  ],
  "catalogParts": [
    172
  ],
  "catalogRowCount": 1,
  "sourceRecordUrls": [
    "https://www.phmsa.dot.gov/node/68346"
  ],
  "linkedAttachmentUrls": [],
  "unavailableResponseUrls": [
    {
      "viewUrl": "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/1999/990220.pdf",
      "pdfUrl": "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/1999/990220.pdf",
      "reason": "PHMSA request failed for https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/1999/990220.pdf: HTTP 200, bytes=19"
    }
  ],
  "duplicateRepresentationUrls": [],
  "citedSections": [
    "172.303"
  ],
  "catalogPageUrls": [
    "https://www.phmsa.dot.gov/regulations/title49/section/172303"
  ],
  "pdfUrls": [],
  "representations": [],
  "caveat": "Interpretations apply regulations to the facts presented and do not create independently enforceable requirements.",
  "jurisdiction": "US"
}
```