NTSB Safety Recommendation H-12-02 through -06

[NTSB Press Releases <ntsbpressreleases@xxxxxxxx>]

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                   NTSB SAFETY RECOMMENDATION
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National Transportation Safety Board
Washington, DC 20594

May 4, 2012

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NTSB Safety Recommendations H-12-02 through -06

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The National Transportation Safety Board makes 
the following safety recommendations to the Pipeline and 
Hazardous Materials Safety Administration:

With the Federal Motor Carrier Safety Administration, 
jointly issue a safety advisory bulletin to inform cargo 
tank motor vehicle owners and operators, registered 
inspectors of these vehicles, and transfer facility 
operators about the circumstances of this accident and 
actions needed to prevent the occurrence of a similar 
accident. (H-12-2)

Require cargo tank motor vehicle carriers and transfer 
facilities to verify (1) that cargo transfer hose 
assemblies, whether carried on the vehicle or provided by 
the facility, are chemically compatible with the hazardous 
material to be transferred and (2)that drivers verify hoses 
are marked as compatible with the material to be transferred 
before either loading or unloading operations begin. (H-12-
3)

Amend the provisions of Title 49 Code of Federal Regulations 
175.315(n)(2) to require that passive emergency shutdown 
control systems for highway cargo tanks activate in the 
event of a partial or complete failure of a cargo hose 
assembly. (H-12-4)

Publish and disseminate a formal interpretation of Title 49 
Code of Federal Regulations 180.416(d) that includes the 
criteria used to determine when a cargo transfer hose 
assembly is "in service".(H-12-5)

Issue guidance to motor carriers and registered inspectors 
that clarifies the testing and the recordkeeping 
requirements of Title 49 Code of Federal Regulations 180.407 
for cargo hose assemblies and cargo tanks that are used to 
transport liquefied compressed gases to ensure that all hose 
assemblies are tested for leaks on an annual basis. (H-12-6)


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http://www.ntsb.gov/doclib/recletters/2012/H-12-002-006.pdf

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The complete recommendation letter is available on the Web 
at the URL indicated above.

The letter is in the Portable Document Format (PDF) and can 
be read using the Acrobat Reader 5.0 or later from Adobe 
(http://www.adobe.com/prodindex/acrobat/readstep.html). 
	
An archive of recommendation letters is available at 
http://www.ntsb.gov/recs/letters/letters.htm. 
Electronic versions of letters may or may not include 
enclosures; however, related publications, accident 
briefs, and aviation accident synopses may be found 
on the NTSB website.

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