# NTSB Safety Recommendation P-76-009A

- **operation:** document
- **citation:** P-76-009A
- **title:** NTSB Safety Recommendation P-76-009A
- **source type:** guidance
- **agency:** National Transportation Safety Board
- **status:** guidance
- **official:** true
- **published on:** 1976-04-19
- **effective on:** 1976-04-19
- **summary:** TO THE UNITED STATES DEPARTMENT OF TRANSPORTATION: Determine the availability, the practicability, and the state-of-the-art in the manufacture of excess flow valves for use on low-pressure gas distribution systems. Based upon the results of these findings, amend 49 CFR 192 to incorporate the use of these valves in commercial buildings. (Superseded by P-81-38 through P-81-39)
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/ntsb-recommendation-p-76-009a.json
- **markdown:** https://regulus.evalyn.ai/document/ntsb-recommendation-p-76-009a.md
- **app url:** https://regulus.evalyn.ai/document/ntsb-recommendation-p-76-009a
- **source url:** https://data.ntsb.gov/carol-main-public/sr-details/P-76-009A
**body:**

NTSB safety recommendation P-76-009A.

TO THE UNITED STATES DEPARTMENT OF TRANSPORTATION: Determine the availability, the practicability, and the state-of-the-art in the manufacture of excess flow valves for use on low-pressure gas distribution systems. Based upon the results of these findings, amend 49 CFR 192 to incorporate the use of these valves in commercial buildings. (Superseded by P-81-38 through P-81-39)

Priority: CLASS II

Overall Status: Closed - Superseded

Issued Date: 1976-04-19

Adopted Date: 1976-02-19

Overall Date Closed: 1982-10-25

Synopsis: ON APRIL 22, 1974, A MASSIVE, LOW-ORDER EXPLOSION DEMOLISHED THE WEST WALL OF A 25-STORY COMMERCIAL BUILDING AT 305 EAST 45TH STREET IN NEW YORK, NEW YORK. THE STRUCTURE OF THE ADJACENT BUILDING WAS DAMAGED AND GLASS WAS BROKEN IN OTHER BUILDINGS IN THE AREA. GLASS FRAGMENTS AND SLIVERS WERE BLOWN INTO 46TH STREET, WHERE THEY LAY 1 INCH DEEP IN PLACES. NO PERSONS WERE KILLED, BUT MORE THAN 70 PERSONS WERE INJURED.

Keywords: Excess Flow Valves

Ntsbnumber: PLD74XR001

Report Number: PAR-76-02

Addressee Name: RSPA

Addressee Status: Closed - Superseded

Addressee Date Closed: 1982-10-25

Addressee Acronym: RSPA

Addressee Organization Type: G-Federal Government

Communication Date: 1978-12-29

Communication Type: Official Correspondence

Addressee Acronym: RSPA

Addressee Organization Type: G-Federal Government

Communication Date: 1979-10-31

Communication Type: Official Correspondence

Addressee Acronym: RSPA

Addressee Organization Type: G-Federal Government

Communication Date: 1979-12-27

Communication Type: Official Correspondence

Addressee Acronym: RSPA

Addressee Organization Type: G-Federal Government

Communication Date: 1982-10-25

Communication Type: Official Correspondence

Addressee Acronym: RSPA

Addressee Organization Type: G-Federal Government

Communication Date: 1976-07-30

Communication Type: Official Correspondence

Addressee Acronym: RSPA

Addressee Organization Type: G-Federal Government

Communication Date: 1978-10-30

Communication Type: Official Correspondence

Addressee Acronym: RSPA

Addressee Organization Type: G-Federal Government

Communication Date: 1979-11-30

Communication Type: Official Correspondence

Addressee Acronym: RSPA

Addressee Organization Type: G-Federal Government

Communication Date: 1982-08-11

Communication Type: Official Correspondence
- **truncated:** false
- **body characters:** 2386