# NTSB Safety Recommendation P-74-049

- **operation:** document
- **citation:** P-74-049
- **title:** NTSB Safety Recommendation P-74-049
- **source type:** guidance
- **agency:** National Transportation Safety Board
- **status:** guidance
- **official:** true
- **published on:** 1974-10-24
- **effective on:** 1974-10-24
- **summary:** THE NTSB RECOMMENDS THAT THE WASHINGTON GAS LIGHT COMPANY: CONTINUE TO MONITOR AND TEST THE AFFECTED HOMES IN THE AREA FOR THE PRESENCE OF GAS UNTIL NO FURTHER HAZARD FROM THE RESIDUAL GAS IS APPARENT.
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- **source url:** https://data.ntsb.gov/carol-main-public/sr-details/P-74-049
**body:**

NTSB safety recommendation P-74-049.

THE NTSB RECOMMENDS THAT THE WASHINGTON GAS LIGHT COMPANY: CONTINUE TO MONITOR AND TEST THE AFFECTED HOMES IN THE AREA FOR THE PRESENCE OF GAS UNTIL NO FURTHER HAZARD FROM THE RESIDUAL GAS IS APPARENT.

Priority: CLASS II

Overall Status: Closed - Acceptable Action

Issued Date: 1974-10-24

Adopted Date: 1974-10-24

Overall Date Closed: 1976-09-10

Synopsis: ON JUNE 23, 1973, A SERIES OF EXPLOSIONS, FOLLOWED BY FIRE, OCCURRED AT 12321 WELLING LANE IN BOWIE, MARYLAND. THREE OCCUPANTS OF THE HOUSE WERE KILLED, AND A FOURTH WAS INJURED; THE HOUSE WAS BADLY DAMAGED. HOUSES IN A FIVE-BLOCK AREA WERE EVACUATED.

Ntsbnumber: PLD73XR006

Report Number: PAR-74-05

Addressee Name: Washington Gas

Addressee Status: Closed--No Longer Applicable

Addressee Date Closed: 1976-09-10

Addressee Organization Type: P-Private Industry

Communication Date: 1975-01-03

Communication Type: Official Correspondence

Communication Contents: WASHINGTON GAS LIGHT COMPANY LTR: THEY HAVE COMPLIED WITH THE RECOMMENDATION. THE WASHINGTON GAS LIGHT COMPANY HAS INSTALLED CONTINUOUS GAS DETECTORS IN 13 HOMES IN THE RESIDUAL GAS AREA. THE DETECTORS ARE BEING CLOSELY MONITORED AND CHECKED. WGL WILL CONTINUE TO MONITOR THE 13 HOMES UNTIL ALL EVIDENCE OF RESIDUAL GAS IS ELIMINATED.
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