# Utah Highway Patrol Vehicle Safety Section — Hazardous Materials Safety Interpretation

**Citation:** 06-0116  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2006-06-15

06-0116 response to Utah Highway Patrol Vehicle Safety Section concerning 180.415.

## Document text

<<<PAGE 1>>>

U.S. Department
of Transportation
Vashinaton, D.C. 2059
00 Seventh Street, S.W
Pipeline and
Hazardous Materials Safety
Administration
JUN 15 2006
Senior Trooper
Mr. Bradley W. Clayton
Ref. No. 06-0116
Vehicle Safety Section
Utah Highway Patrol
5500 West Amelia Earhart Dr.
Suite 360
Salt Lake City, Utah 84116
Dear Mr. Clayton:
This responds to your letter requesting clarification of the
cargo tank test date markings under the Hazardous Materials
Regulations (HMR; 49 CFR Parts 171-180).
ask whether the test date marking requirements ir
Specifically, you
§ 180.415 (b) (2) may be satisfied by placing them on a metal
plate
bolted to an appurtenance such as a hose tube or a
fender.
As you are aware, § 180.415 (b) (2) requires test date
markings on a cargo tank to be placed near the specification
these required markings to the cargo tank body. Therefore,
plate or anywhere on the front head. The intent is to affix
the scenario you describe does not satisfy that requirement
of the HMR.
I trust this satisfies your inquiry. Please contact us if
we can be of further assistance.
Sincerely,
Hitler. nitthell
Hattie L. Mitchell
Chief,
Regulatory Review and Reinvention
Office of Hazardous Materials
. Standards
180.41516)
060116

<<<PAGE 2>>>

Utah Highway Patrol
Stevens
COLONEL SCOTT T. DUNCAN
Superintendent
$180.415 (b)
State of Utah
JON M. HUNTSMAN, JR.
Cargo Tanks
Governor
GARY R. HERBERT
06-0116
Lieutenant Governor
To:
U.S. Department of Transportation
Research and Special Programs Administration
10 April, 2006
Office of Hazardous Materials Standards
400 Seventh St., S.W.
Washington, D.C. 20590
From: Senior Trooper Bradley W. Clayton
Utah Highway Patrol
5500 West Amelia Earhart Dr. Suite 360
Salt Lake City, Utah 84116
Topic: Cargo Tank Test Date Markings
Section 180.415(b) states; "Each cargo tank must be durably and legibly marked, in English,
following provisions:
with the date (month and year) and the type of test or inspection performed, subject to the
Section 180.415(b)(2) states; "The markings must be in letters and numbers at least 32 mm (1.25
inches) high, near the specification plate or anywhere on the front head
Does the term "Each cargo tank" and "near the specification plate or anywhere on the front
be displayed on a metal plate bolted to a cargo tank appurtenance such as a hose tube or fender?
head" mean the marking must be on the tank shell itself or are the test date markings allowed to
(This metal plate could easily be removed by bolts and affixed to a different cargo tank)
Thank you for considering this question
Sincerely
Bute Clat
Senior Trooper
Utah Highway Patrol
Vehicle Safety Section
4501 South 2700 West, Box 141100, Salt Lake City, Utah 84114-1100
telephone 801-965-4379 • facsimile 801-965-4716

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2006/060116.pdf>
- Source ID: `phmsa`
- SHA-256: `ed013103d69041a4b00a749fa0efdbf135f8d37781db7821e760a73f67220742`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-22T06:26:46.327Z
- Document slug: `phmsa-interpretation-06-0116`

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