# American Airlines — Hazardous Materials Safety Interpretation

- **operation:** document
- **citation:** 02-0152
- **title:** American Airlines — Hazardous Materials Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 2002-10-02
- **effective on:** Not available
- **summary:** 02-0152 response to American Airlines concerning 173.424.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-02-0152.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-02-0152.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-02-0152
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2002/020152.pdf
**body:**

<<<PAGE 1>>>

of Transportation
U.S. Department
400 Seventh St., S.W.
Washington, D.C. 20590
Research and
›pecial Program:
idministratior
OCT 2
2002
Mr. Les Adolph
American Airlines
Ref. No.: 02-0152
P.O. Box 582809 MD 517
3900 North Mango Road
Iulsa, OK 74116
Dear Mr. Adolph:
you are required to check each UN2910 or UN2911 radioactive
This is in response to your May 30, 2002 letter inquiring whether
material shipment under § 173.424 (d) of the Hazardous Materials
6 52 04
shipments consist of radioactive articles, such as exit signs,
Regulations (HMR; 49 CFR Parts 171-180). You state that the
fuel flow emitters and smoke detectors and that you have their
radioactive readings from the manufacturers.
Section 173.424 (d) states, in
r article and its packaging is excepted from the specificatior
part, that a radioactive instrument
requirements if:
packaging,
shipping paper and certification, marking and labeling
external surface of any unpackaged instrument or article
The radiation level at 10 cm (4 in) from any point on the
does not exceed 0.1 mSv/hour (10 mrem/hour).
but do not state how to ascertain whether the levels are within
The HMR specify the radiation level limits that must be achieved
the
acceptable limits.
means you deem appropriate to assure that your UN2910 or UN2911
radioactive material shipments do not exceed the limits specified
in $ 173.424 (d), including the usage of radioactive information
received from the articles' manufacturers.
should be exercised when manufacturer's data is used to assess
However, caution
for damage.
instruments or articles which are not new due to their potential
I hope this
information is helpful.
Sincerely,
Hothe 2. Mithell
Hattie I. Mitchell
Chief,
Office of Hazardous Materials Standards
Regulatory Review and Reinvention
173.424ld)
020152

<<<PAGE 2>>>

Betts
3173.424 (d)
Betts, Charles
Packages RAM
From:
To:
ent.
Mazzullo, Ed
02-0152
Subject:
reated differently under ICAO:
Please develop a response.
Looks like we totally except these materials. Are they
From: Les Adolph [mailto:Les.Ado1ph@aa.com]
--Original Message-.
ent: Thursday, May 30, 2002
Ed <RSPA>
9:17 AM
So: Mazz Lar FacaRion questior
Ed, I've had some discussions with Frits and Duane Pfund, when Duane was in Tulsa for the
SÜN2910 and(2911) as detailed in 173.424 (d)? I have an email from Frits that I could
ATA COMAT meeting on whether we needed to check each xadioactive material shipment under
produce if wel were ever questioned
sort of negative spot. (I value all of the friendships and relationships I have with all
by the FAA but I would not want to put Frits in any
Frits indicated\to me, the radiation would get weaker rather than stronger... These items
of you!!) We have the radioactive readings from the Manufacturer for these units and as
smoke detectors, so as you can see,
vould be like the exit signs, some fuel flow emitters, some of the instrumentation and the
I need to request la
formal clarification or do you think we can just assume everyone knows
all are very low level itens.... What do you think, do
you all but it seems like
that we are doing the right thing in
recently if I think there is a chance of it happening, the FAA
compliance with the regs.?? I hate too keep bothering
keeps coming thru fot
me!! H!!!
Les
Best regards,
Use this

<<<PAGE 3>>>

Betts, Charles
From:
Sent:
Les Adolph [Les.Adolph@aa.com]
Subject:
To:
ednesday, August 07, 2002 9:42 A
Re: Letter of Clarificaton
etts, Charles <RSPA
Thanks,
Les
Mr. Adolph,
>>> "Charles Betts" <Charles.Betts@RSPA.dot.gov> 08/07/02 08:34AM >>>
I am currently working on your request for a letter
regarding radioactive material shipment under UN2910 and UN2911 as described
of clarification
whether it concerns "shipments onboard the aircraft" or
in § 173.424 (d) • However, after reading your e-mail request, I am unclear
installed/used onboard the aircraft." Could you please help to clarify this
Regards,
Charles.....
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