# NTSB Safety Recommendation P-74-041

- **operation:** document
- **citation:** P-74-041
- **title:** NTSB Safety Recommendation P-74-041
- **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 AMERICAN SOCIETY OF MECHANICAL ENGINEERS GAS PIPING STANDARDS COMMITTEE: DEVELOP GUIDELINES FOR THE SAMPLING OF COMBUSTIBLE GASES TO ASSURE PROPER CONCENTRATIONS OF ODORANT AS REQUIRED BY 49 CFR 192.625(F).
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- **source url:** https://data.ntsb.gov/carol-main-public/sr-details/P-74-041
**body:**

NTSB safety recommendation P-74-041.

THE NTSB RECOMMENDS THAT THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS GAS PIPING STANDARDS COMMITTEE: DEVELOP GUIDELINES FOR THE SAMPLING OF COMBUSTIBLE GASES TO ASSURE PROPER CONCENTRATIONS OF ODORANT AS REQUIRED BY 49 CFR 192.625(F).

Priority: CLASS II

Overall Status: Closed - Acceptable Action

Issued Date: 1974-10-24

Adopted Date: 1974-10-24

Overall Date Closed: 1979-02-06

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: American Society of Mechanical Engineers

Addressee Status: Closed--No Longer Applicable

Addressee Date Closed: 1979-02-06

Addressee Acronym: ASME

Addressee Organization Type: A-Associations

Communication Date: 1978-09-06

Communication Type: Official Correspondence

Communication Contents: ASME LTR: GUIDE MATERIAL FOR THIS RECOMMENDATION WAS ADOPTED UNDER 192.625 AND WAS PUBLISHED IN THE GUIDE FEBRUARY 1978, ADDENDA NO. 11.

Addressee Acronym: ASME

Addressee Organization Type: A-Associations

Communication Date: 1978-05-01

Communication Type: Official Correspondence
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