# NTSB Safety Recommendation P-79-035

- **operation:** document
- **citation:** P-79-035
- **title:** NTSB Safety Recommendation P-79-035
- **source type:** guidance
- **agency:** National Transportation Safety Board
- **status:** guidance
- **official:** true
- **published on:** 1979-11-07
- **effective on:** 1979-11-07
- **summary:** THE NTSB RECOMMENDS THAT THE PEOPLES NATURAL GAS COMPANY: CONDUCT AN INSTRUMENT (HYDROGEN FLAME IONIZATION, COMBUSTIBLE GAS INDICATOR) LEAK SURVEY OF THE GAS MAIN IDENTIFIED ON THE COMPANY RECORDS AS P-670 TO DETERMINE ANY ADDITIONAL AREAS OF LEAKAGE. (URGENT)
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/ntsb-recommendation-p-79-035.json
- **markdown:** https://regulus.evalyn.ai/document/ntsb-recommendation-p-79-035.md
- **app url:** https://regulus.evalyn.ai/document/ntsb-recommendation-p-79-035
- **source url:** https://data.ntsb.gov/carol-main-public/sr-details/P-79-035
**body:**

NTSB safety recommendation P-79-035.

THE NTSB RECOMMENDS THAT THE PEOPLES NATURAL GAS COMPANY: CONDUCT AN INSTRUMENT (HYDROGEN FLAME IONIZATION, COMBUSTIBLE GAS INDICATOR) LEAK SURVEY OF THE GAS MAIN IDENTIFIED ON THE COMPANY RECORDS AS P-670 TO DETERMINE ANY ADDITIONAL AREAS OF LEAKAGE. (URGENT)

Priority: CLASS I

Overall Status: Closed - Acceptable Action

Issued Date: 1979-11-07

Adopted Date: 1979-11-02

Overall Date Closed: 1983-02-02

Synopsis: ON JULY 31, 1979, A MAN ENTERED A SMALL CELLER BENEATH A COMMERCIAL GREENHOUSE AT 1936 BRODHEAD ROAD, ALLEGHENY COUNTY, PENNSYLVANIA, STRUCK A MATCH TO LIGHT A CIGARETTE, AND WAS BURNED CRITICALLY WHEN A FLASH FIRE ERUPTED. THE MAN DIED LATER THAT NIGHT. THE FIRE DID ONLY MINOR DAMAGE TO THE CELLAR.

Probable Cause: None

Ntsbnumber: DCA79FP021

Report Number: None

Addressee Name: Peoples Natural Gas Company

Addressee Status: Closed--No Longer Applicable

Addressee Date Closed: 1983-02-02

Addressee Organization Type: P-Private Industry

Communication Date: 1982-11-19

Communication Type: Official Correspondence

Communication Contents: PEOPLES NATURAL GAS COMPANY LTR: WE WISH TO ADVISE THAT THE SURVEYS REQUIRED BY THESE SAFETY RECOMMENDATIONS WERE PERFORMED AS PROMPTLY AS POSSIBLE UNDER THE SURVEILLANCE AND TO THE SATISFACTION OF THE BUREAU OF SAFETY AND COMPLIANCE OF THE PENNSYLVANIA PUBLIC UTILITY COMISSION AS THE AGENCY ADMINISTERING WITHIN THE COMMONWEALTH OF PENNSYLVANIA THE FEDERAL SAFETY STANDARDS FOR PIPELINE FACILITIES AND THE TRANSPORTATION OF GAS ISSUED BY THE FEDERAL DEPARTMENT OF TRANSPORTATION. ANY DEFECTS DISCLOSED BY THESE SURVEYS WERE PROMPTLY CORRECTED AT THE CONCLUSION OF THE SURVEYS.

Addressee Organization Type: P-Private Industry

Communication Date: 1983-02-02

Communication Type: Official Correspondence

Addressee Organization Type: P-Private Industry

Communication Date: 1982-10-08

Communication Type: Official Correspondence
- **truncated:** false
- **body characters:** 1934