# California International Chemical Co., Inc. — Hazardous Materials Safety Interpretation

- **operation:** document
- **citation:** 02-0205
- **title:** California International Chemical Co., Inc. — Hazardous Materials Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 2002-09-23
- **effective on:** Not available
- **summary:** 02-0205 response to California International Chemical Co., Inc. concerning 172.504.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-02-0205.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-02-0205.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-02-0205
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2002/020205.pdf
**body:**

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of Transportation
U.S. Department
Washington, D.C. 20590
400 Seventh St., S.W.
Research and
Special Programs
Administration
SEP. 2 3 2002
Ms. Karen Lowell, Esq.
Ref No.: 02-0205
3450-C Regional Parkway
California International Chemical Co., Inc
Santa Rosa, California 95403
Dear Ms. Lowell
This is in response to your July 25; 2002, letter regarding the identification number marking and
placarding requirements under the Hazardous Materials Regulations (HMR; 49 CFR parts 171-180),
for motor vehicle transporting 900 pounds or less of mon-bulk packages of Chlorine, 2:3, UN1017.
You are correct that the placard required for "Chlorine, 2.3, UN1017" is the POISON GAS placard in
accordance with § 172.504(e), Table 1. Based on the total quantity of chlorine on the motor vehicle,
900 pounds or less aggregate gross weight of non-bullk packaging display of the identification number
on the transport vehicle is not required.
Section 172.313(c) states in part that, a transport vehicle or freight container. containing a material
poisonous by inhalation in non-bulk packages shall be marked, on each side and each end as specified
in § 172.332 or §172.336, with the identification number specified for the hazardous material in the
§ 172.101 Table, subject to the following provisions and limitations. The material is in Hazard Zone A
or B and the transport vehicle or freight container is loaded at one facility with 1,000 kg (2,205 pounds)
or more aggregate gross weight of the material in nom-bulk packages marked with the same proper
shipping name and identification number.
I hope this information is helpful. Please contact us iff you require additional assistance.
Sincerely,
Chief Standards Development
Delmer F. Billings
Office of Hazardous Materials Standards
172.504
020205

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Relerford
California International Chemical Co., Inc.
Santa Rosa, California 95403
3450-C Regional Parkway
§112313 (c)(2)
Telephone: (707) 576-7431
Facsimile: (707) 576-7516
5|72.519
02-02,05
Marking Placarding
Mr. Edward T. Muzzullo
Via Certified United States Mail
DIRECTOR FOR THE OFFICE OF HAZARDOUS
Return Receipt Requested
MATERIALS STANDARDS
US DOT / RSPA (DHM-10)
400 7* Street S.W.
Washington D.C. 20590-0001
Re:
Vehicle Placarding - Non Bulk Hazardous Materials
Dear Mr. Muzzullo:
California International Chemical Co., Inc. ("CICC") respectfully seeks from your office
a formal, written interpretation of the US DOT Hazardous Materials Regulations and Procedures,
specifically Chapter 1, Subchapter C, Part 172. Licensees of CICC operate in numerous states
and carry chlorine gas (UN 1017) on vehicles with poison gas placards identifying an
"INHALATION HAZARD", a pictured skull and crossbones on the top of the placard, and a
number "2" at the bottom. The maximum net amount of hazardous material on any given
vehicle does not exceed 300 pounds, and the maximum gross weight of the material in non bulk
packages does not exceed 900 pounds. Chlorine gas is defined as a "Zone B" chemical under
§8173.116(a) and 176.133(a)
The question arose as to whether the transport vehicles also require a second placard (or
orange panel) indicating the identification number of the hazardous material (here "UN 1017).
CICC contacted your office on two (2) occasions and was advised as follows:
Vehicles transporting material in non bulk packaging which do not exceed 8,820 pounds
aggregate are not required to mark the vehicle with identification numbers ("UN 1017"
inder $172.301(a)(3)(ii). Also, vehicles transporting material in non bulk packaging
which do not exceed 2,205 pounds aggregate are not required to mark the vehicle witl
identification numbers under $172.313(c)(2)!
Based upon CICC's representation that the vehicles carry chlorine gas in non bulk
containers which do not exceed 2,205 pounds or more aggregate gross weight of the chlorine gas,
your office advised that our licensees are not required to have placards indicating the
identification numbers "UN 1017" on their vehicles, but rather they are required to have
the "Inhalation Hazard" placards as referenced above on each of the four (4) sides of the
vehicles.
Page 1 of 2

<<<PAGE 3>>>

July 25, 2002
Edward T. Muzzulo, Directnr
Page Two
verification of the above interpretation. We would also like to thank you and the gentlemen in
By this letter, CICC seeks a written interpretation of the regulations by your office and/or
your office who were professional, helpful and exceptionally knowledgeable of the US DOT
regulations. Your office provides a very valuable service to the public!
If you require any further information or would like to discuss this matter, please feel free
to contact me at (954) 424-6190, or contact Diana Enos at (800) 544-6604.
Very truly yours,
Karen Lowell, Attorney for
California Int'l Chemical Co., Inc.
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