# PHMSA Hazmat Incident I-2008100389 — ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID) — ALPINE, TX

**Citation:** PHMSA Hazmat Incident I-2008100389  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2008-08-30  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 2008-08-30 in ALPINE, TX.

## Document text

PHMSA hazardous materials incident report I-2008100389.
Incident date: 2008-08-30.
Location: ALPINE, TX.
Mode: Rail.
Carrier/reporter: UNION PACIFIC RAILROAD.
Shipper: AIR LIQUIDE / AIR LIQUIDE AMERICA CORP..
Materials: UN1951; ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID); hazard class 2.2; 2 LGA released | UN1951; ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID); hazard class 2.2; 5 LGA released | UN1951; ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID); hazard class 2.2; 600 LGA released.
What failed: Liquid Valve / Piping or Fittings.
How failed: Leaked.
Reported failure causes: Loose Closure, Component, or Device.
Reported result: Vapor(Gas) Dispersion.
Reporter-submitted DOT Form 5800.1 data may be incomplete, corrected, supplemented, or misreported. A record, serious-incident classification, failure description, or relationship to a reporting rule is not a PHMSA causal finding, compliance determination, or finding of a violation.

## Provenance

- Official: Yes
- Source: <https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=%2BOIb%2BpGGmhz6d%2BanW3PiMA%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `5fa680495f39b057e3040062ebfdb6e763cc2f5021faa77d3064dcfecb93f141`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-27T15:23:39.767Z
- Document slug: `phmsa-hazmat-incident-i-2008100389`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "I-2008100389",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=%2BOIb%2BpGGmhz6d%2BanW3PiMA%3D%3D",
  "rowCount": 3,
  "carrierReporterNames": [
    "UNION PACIFIC RAILROAD"
  ],
  "shipperNames": [
    "AIR LIQUIDE",
    "AIR LIQUIDE AMERICA CORP."
  ],
  "routes": [
    "UPRR M.P. 607.67"
  ],
  "cities": [
    "ALPINE"
  ],
  "states": [
    "TX"
  ],
  "originCities": [],
  "modes": [
    "Rail"
  ],
  "materials": [
    {
      "identificationNumber": "UN1951",
      "commodityName": "ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID)",
      "hazardousClass": "2.2",
      "quantityReleased": "2",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN1951",
      "commodityName": "ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID)",
      "hazardousClass": "2.2",
      "quantityReleased": "5",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN1951",
      "commodityName": "ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID)",
      "hazardousClass": "2.2",
      "quantityReleased": "600",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": "113A90W",
      "outerMaterial": "ASTM A240, TYPE 304",
      "outerType": null,
      "outerCapacity": "17300",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "1",
      "outerFailedCount": "1",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    },
    {
      "identificationMarkings": "113A90W",
      "outerMaterial": "ASTM A240, TYPE 304",
      "outerType": null,
      "outerCapacity": "19120",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "1",
      "outerFailedCount": "1",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    },
    {
      "identificationMarkings": "204W",
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "16555",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "1",
      "outerFailedCount": "1",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    }
  ],
  "reportingRuleContext": [
    "171.15",
    "171.16"
  ],
  "caveat": "Reporter-submitted DOT Form 5800.1 data may be incomplete, corrected, supplemented, or misreported. A record, serious-incident classification, failure description, or relationship to a reporting rule is not a PHMSA causal finding, compliance determination, or finding of a violation.",
  "privacyCaveat": "The public CSV excludes preparer contact fields. Event Description is intentionally excluded from normalized records and search output to reduce incidental personal-information risk.",
  "jurisdiction": "US"
}
```