# PHMSA Hazmat Incident I-1977061381 — PHOSPHORIC ACID SOLUTION — SHEFFIELD, AL

- **operation:** document
- **citation:** PHMSA Hazmat Incident I-1977061381
- **title:** PHMSA Hazmat Incident I-1977061381 — PHOSPHORIC ACID SOLUTION — SHEFFIELD, AL
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 1977-06-21
- **summary:** Serious reporter-submitted hazardous materials transportation incident on 1977-06-21 in SHEFFIELD, AL.
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- **app url:** https://regulus.evalyn.ai/document/phmsa-hazmat-incident-i-1977061381
- **source url:** https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=fRAZZcWa9zOGCrU4FZvGPg%3D%3D
**body:**

PHMSA hazardous materials incident report I-1977061381.
Incident date: 1977-06-21.
Location: SHEFFIELD, AL.
Mode: Highway.
Carrier/reporter: THOMPSON-HAYWARD CHEMICAL CO.
Shipper: THOMPSON-HAYWARD CHEMICAL CO.
Materials: UN1805; PHOSPHORIC ACID SOLUTION; hazard class 8; 350 LGA released.
What failed: Auxiliary Valve; Piping or Fittings.
Reported failure causes: Defective Component or Device.
Reported result: Spillage.
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.
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