# VEGA Americas, Inc. — Hazardous Materials Safety Interpretation

- **operation:** document
- **citation:** 19-0070
- **title:** VEGA Americas, Inc. — Hazardous Materials Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 2019-08-30
- **effective on:** Not available
- **summary:** 19-0070 response to VEGA Americas, Inc. concerning 173.403, 173.421, 173.422, 173.423, 173.424, 173.425, 173.426, 173.428.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-19-0070.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-19-0070.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-19-0070
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/docs/standards-rulemaking/hazmat/interpretations/72271/190070.pdf
**body:**

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U.S. Department
of Transportation
Pipeline and Hazardous
Materials Safety
Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
AUG 3 0 2019
Brett Kemphues
Radiation Safety Specialist
VEGA Americas, Inc.
4141 Rossyln Drive
Cincinnati, OH 45209
Reference No. 19-0070
Dear Mr. Kemphues:
This letter is in response to your May 31, 2019, letter and subsequent phone conversation
requesting clarification of the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180)
applicable to Fixed Industrial Nuclear Gauges (i.e., gauges) as radioactive instruments or articles.
Specifically, you indicate that your company is a manufacturer and distributor ofthese gauges
and provide the following details on these gauges:
• They are used in a number of industries for density, level and weight measurements;
• They are used to house and shield a Special Form source capsule;
• As detailed in a subsequent phone conversation, when offered for transportation, the
gauges are shipped individually and either placed in a strong outer packaging, such as a
box or crate, or affixed to a pallet; ·
• During transportation, the gauge strictly serves as a shielded container; and
• After transportation, the gauge acts as one part of the measurement system when installed
and in operation.
We have paraphrased and answered your questions as follows:
QI. You ask whether the gauge can be considered a radioactive instrument or article, subject
to the activity limits in Table 4 of§ 173.425 and the excepted packaging requirements in
§ 173.424.
Al. The answer depends on the type of packaging used to transport the gauge. As defined in
§ 173.403, a package means "the packaging together with its radioactive contents as
presented for transport." Furthermore, paragraph ( 1) in the definition of "package"
indicates that an "Excepted package" means "a package together with its excepted
Class 7 (radioactive) materials as specified in§§ 173.421-173.426 and 173.428." When
offered for transportation in a packaging· such as a box or crate, the box or crate meets the
definition of a packaging for an excepted package. However, when the gauge is strapped
to a pallet, the pallet is not considered a packaging for the purposes of§§ 173.403
and 173.424. Please note that in both scenarios any hazard communication (i.e., required

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Q2. A2. Q3. markings and labels) is required to be placed on the packaging, meaning if shipped on a
pallet, the hazard communication is required to be placed on the gauge.
Furthermore, as defined in§ 173.403, a radioactive instrument or article means "any
manufactured instrument or article such as an instrument, clock, electronic tube, or
apparatus, or similar instrument or article having Class 7 (radioactive) material in
gaseous or non-dispersible solid form as a component part." Radioactive instruments or
articles are classified as "UN2911, Radioactive material, excepted package-instruments
or articles, 7," subject to activity limits in§ 173.425, and packing requirements in
§§ 173.422 and 173.424 (as also identified by the section titles). Therefore, in the
scenario when the gauge is shipped in a packaging, it can be classified as "UN2911,
Radioactive material, excepted package-instruments or articles, 7," subject to the activity
limits in§ 173.425 and packaging requirements in§ 173.424. Conversely, when strapped
to a pallet, there is no packaging for the gauge, and therefore, it does not meet the
definition of a radioactive in~trument or article within an excepted package.
You ask whether the requirements of§ 173.424 apply to the transportation of the gauge
when it does not meet the definition of a radioactive instrument or article (i.e., gauge
strapped to a pallet).
The answer is no. Section 173.424 only applies to the transportation ofradioactive
instrument and articles.
You ask whether the radiation level limit for any unpackaged instrument or article in
§ 173.424(d) and the radiation level limit on the external surface of a packaging bearing
the instrument or article in§ 173.424(f) apply to the transportation of the gauge when it
meets the definition of a radioactive instrument or article (i.e., gauge packaged in a strong
outer packaging).
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A3. The answer is yes. To be offered as a radioactive instrument or article, all of the
requirements in§ 173.424, including paragraphs (d) and (f), need to be met. To meet
§ 173 .424( d), the radiation level at 10 cm ( 4 in) from any point on the external surface of
any unpackaged instrument or article may not exceed 0.1 mSv/hour (10 mrem/hour),
even when the gauge is placed in the strong outer packaging. To meet§ 173.424(f), the
radiation level at any point on the external surface of a package bearing the article or
instrument may not exceed 0.005 mSv/hour (0.5 mrem/hour), or, for exclusive use
domestic shipments, 0.02 mSv/hour (2 mrem/hour). If the requirements of§ 173.424
cannot be met, the gauge may be shipped under a different description (i.e., UN
identification number, proper shipping name, packaging requirements) such as "UN3332,
Radioactive material, Type A packaging, special form non fissile or fissile-excepted, 7."
I hope this information is helpful. Please contact us if we can be of further assistance.
s;;~1 1ZL
¾,~~e;en
Chief, Standards Development Branch
Standards and Rulemaking Division
3

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Dodd, Alice (PHMSA)
From:
Sent:
To:
Subject:
Attachments:
INFOCNTR (PHMSA)
Tuesday, June 04, 2019 11:30 AM
Hazmat lnterps
FW: Request for Interpretation
Request for PHMSA Interpretation.pdf
Hello Alice and lkeya,
Attached is a letter of interpretation request.
Thanks,
Jonathon, HMIC
To Whom It May Concern:
Attached is a letter of request for an interpretation of regulations. Please review at your earliest convenience and please
do not hesitate to contact me if there are any questions or if you desire further detail. Thank you for your time and
consideration.
Regards,
Brett Kemphues
Radiation Safety Specialist
VEGA Americas, Inc.
4141 Rosslyn Drive
Cincinnati, OH 45209 USA
Phone: +1 513 527 6125
Fax: +1 513 272 0133
b.kemphues@veqa.com
www.vega.com
1

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Looking Forward
VEGA Americas, Inc.
4 170 Rosslyn Drive
Cincinnati, Ohio 45209
USA
1.800.FOR.LEVEL
Tel: 5 13.272.0131
Fax: 513.272.0 133
americas@vega.com
www.vega.com
May 31, 2019
Subject:
Request for Regulatory Interpretation
Attn:
Pipeline and Hazardous Materials Safety Administration
US Department of Transportation
1200 New Jersey Avenue, SE
Washington, DC 20590
Please accept this letter as a request for formal interpretation from your office. VEGA Americas,
Inc. is a manufacturer and distributor of Fixed Industrial Nuclear Gauges used in a number of
industries for density, level and weight measurements. These gauges are used to house and
shield a Special Form source capsule making them safe for use, storage and transportation.
The gauge is strictly a shielded container for safe transport during shipment but acts as one part
of the measurement system when installed and in operation. Operational parts such as the
shutter mechanism allow the beam of radiation to be open or closed and can be collimated to
direct the radiation beam to a desired location to gain a measurement reading.
Would one of our Fixed Industrial Nuclear Gauges be considered a Radioactive Instrument or
Article when determining the activity limit from Table 4 of 49 CFR 173.425 when shipping as an
excepted package for limited quantities of Class 7 material?
Furthermore, if the determination finds that our gauges are not to be considered Radioactive
Instruments or Articles and therefore subject the activity limit of 10-
3 of the A1 quantity, would the
requirements of section 173.424 need to be enforced?
Conversely, if they are deemed to be Radioactive Instruments and Articles and subject to the
activity limit of 10-2 of the A1 quantity and subject to the requirements of section 173.424, what is
the determination of subsection (d) of this section? Does the radiation level limit of 10
mrem/hour at a distance of 4 inches from the external surface of any unpackaged instrument or
article need to be enforced if the instrument or article is enclosed in some form of packaging
and the radiation level on the external surface of that packaging does not exceed the limits in
subsection (f) of this same section?
Your written response to this request is greatly appreciated . If you require any further
information regarding this request please feel free to contact me at b.kemphues@vega.com or
by phone at 513-527-6125.
Sincerely,
/3g--
Brett Kemphues
Radiation Safety Specialist
VEGA Americas, Inc.
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