# H.B. Fuller Company — Hazardous Materials Safety Interpretation

- **operation:** document
- **citation:** 99-0153
- **title:** H.B. Fuller Company — Hazardous Materials Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 2000-03-23
- **effective on:** Not available
- **summary:** 99-0153 response to H.B. Fuller Company concerning 174.67.
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- **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-99-0153.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-99-0153
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/1999/990153.pdf
**body:**

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of Transportation
U.S. Department
400 Seventh Street, S.W.
Washington, D.C.
20590
Special Programs
Administration
MAR 2 3 2000
Mr. Eugene J. Secor
Ref. No. 99-0153
Transportation Specialist
H.B. Fuller Company
25200 Malvina Avenue
Warren, Michigan 48089
Dear Mr. Secor:
This responds to your letter of June 3, 1999, requesting clarification of the attendance requirements for
unloading tank cars under the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180).
Specifically, you ask for clarification as to when the attendance requirements apply and whether the
attendance requirements can be met with a remote monitoring system. Please accept my apology for
our delay in answering your inquiry.
The tank car unloading attendance requirements are in § 174.67(i) of the HMR. These requirements
apply to all tank car unloading operations, including both bottom and top off-loading operations.
Section 174.67(i) requires a tank car to be continuously attended throughout the entire period of
unloading and while the tank car is connected to an unloading device. This requirement can be met by
human attendance or by use of signaling systems, such as sensors, alarms, and electronic surveillance
equipment.
Human monitoring must be performed by the person responsible for the unloading operation. The
attendant may monitor unloading from on-site or from a remote location within the plant by utilizing
television cameras and monitors. In either location, the attendant must have an unobstructed view of
the tank car and unloading components. Further, the attendant must be knowledgeable about the
product, have the ability to identify conditions requiring action, and have the capability and authority to
halt the flow of product immediately.
If a signaling system is used to meet the attendance requirement, the system must provide a surveillance
capability at least equal to that of a human observer. The system should be designed to provide
immediate notification of a malfunction to a person responsible for unloading: if not. the system must he
checked at least once every hour to assure proper functioning. In the event of a system malfunction,
human observation of the unloading operation, as described above, must be instituted immediately.
990153
114
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"Transportation," as defined in § 5102 of federal hazardous materials transportation law (49 U.S.C.
3101-5121), means the movement of property and any loading, unloading, or storage incidental to the
movement. Neither the statute nor the HMR define the terms "loading incidental to movement,"
"unloading incidental to movement," or "storage incidental to movement." You are correct that there is
confusion concerning the meaning of "transportation in commerce" and whether particular activities are
covered by that term and, therefore, subject to regulation under the HMR. We are currently engaged
in a rulemaking, under Docket No. RSPA-98-4952, to clarify the applicability of the HMR to specific
transportation functions, including hazardous materials loading and unloading operations and storage of
hazardous materials during transportation. We expect to issue a notice of proposed rulemaking later
this year.
I hope this information is helpful. If you have further questions, please do not hesitate to contact this
office.
Sincerely,
home. alle
Thomas G. Allan
Senior Transportation Regulations Specialist
Office of Hazardous Materials Standards

<<<PAGE 3>>>

Products, Inc.
H.B. Fuller Automotive
31601 Research Park Drive
Karem
Madison Heights, Michigan 48071
June 3, 1999
FAX (870) 585-3609-
810) 585-2200.. (800) 693 7709
$174.67
US DEPARTMENT OF TRANSPORTATION
RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION
99-0153
400 SEVENTH STREET, SW, DHM-11
STANDARDS DEVELOPMENT
WASHINGTON, DC 20590-0001
LOADED?
Re: IS AN ATTENDENT REQUIRED DURING THE ENTIRE TIME A TANKCAR IS BEING OFF-
Gentlemen:
Our company currently buys Viny! Acetate, Inhibited, UN 1301, in tank car quantities. The tank car is
vitched onto our private siding by the delivering railroad. Unloading is done by our own employees wi
arrently function as an attendant throughout the entire unloading process, similar to a truck drive
remaining with his vehicle while it is being off-loaded.
eiforts to avoid minor spills. A question has arisen as to whether an employee must remain with the tank
We are currently looking at switching from a bottom off-loading operation to a top off-loading mode in our
process. Alternatively, can some type of remote monitoring be used (after the hookup for unloading has
car while off-loading using the proposed top off-loading technique for the entire duration of the off-loading
amply place) to observe the bulk of the unloading process until the time arrives to unhook because the TC is
Is the full tank car still in transportation once we have it on our siding? If no, then do the regulations for
times while unloading is taking place? We do have sufficient secondary containment to handle a tank car
transporting bulk hazmats still apply to us meaning the necessity to have an attendant at the tank car at all
TC's ourselves so they go out placarded as full on the return trip)?
spill. When, if ever, is a tank car not belonging to our Company NOT in transportation (we do not clean
You help in interpretation on these issues is appreciated.
Best Regards,
Here Decor
EHS/TRANSPORTATION SPECIALIST
H.B. FULLER COMPANY
WARREN, MI 48089
25200 MALVINA AVE
Phone: 810-498-1317
FAX: 810-447-1117
File: DOT/TCremote
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