# Waste Technology Services, Inc. — Hazardous Materials Safety Interpretation

- **operation:** document
- **citation:** 01-0273
- **title:** Waste Technology Services, Inc. — Hazardous Materials Safety Interpretation
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** 2002-11-30
- **effective on:** Not available
- **summary:** 01-0273 response to Waste Technology Services, Inc. concerning 172.504.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-01-0273.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-01-0273.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-01-0273
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2001/010273.pdf
**body:**

<<<PAGE 1>>>

U.S. Department
400 Seventh Street, S.W.
of Transportation
Washington, D.C.
20590
Special Programs
Research and
Administration
NOV 3 0 2001
Mr. I.L. Nebrich
Ref. No: 01-0273
Technical Director
Waste Technology Services, Inc.
640 Park Place
Niagra Falls, NY 14301
Dear Mr. Nebrich:
This is in response to your October 23, 2001 letter and
subsequent telephone conversation with
a member of my staff
requesting clarification of the provisions in SS 173.506 and
177.848 of the Hazardous Materials Regulations (HMR; 49 CFR
Parts 171-180).
Your questions are paraphrased and answered as follows:
Q1. Are shippers who offer less than placardable amounts of
hazardous materials, in non-bulk packagings,
accountable for the materials previously loaded on the
vehicle and required to provide placards to the carrier
if the transport vehicle contains a placardable amount
of hazardous material?
A1.
The answer is no.
According to $ 172.506 (a) (1), the
requirement for a shipper to provide placards is
limited to the material being offered by that shipper.
However, the carrier may not transport the hazardous
material unless the vehicle is properly placarded. See
§ 172.506 (a) (2).
02.
Would the segregation requirements apply to the
shipper, provided the transport
vehicle arrives loaded
with other hazardous materials? .
A2.
It is the carrier's responsibility to comply with the
segregation requirèments.
However, it is possible for
shippers to conduct functions of a carrier, such as
loading a vehicle trailer.
In the event a shipper
172.544
010273

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Page -2-
conducts or participates
in
the loading process of a
hazardous material onto a transport vehicle, they must
comply with the
applicable requirements in § 177.848.
(See
173.30).
I hope this
satisfies your request.
Sincerely,
Delmer F. Billings
Chief, Standards Development
Office of Hazardous Materials
Standards
P'S

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ост.23.2001
10: 28AM
WASTE TECHNOLOGY SER
NO.370
P.2
wIs
BAH
§172.504
WASTE TECHNOLOGY SERVICES INC.
Placarding
01-0273
October 23, 2001
Mr. Edward Mazzullo
Director of Office of Hazardous Material Standards
US Department of Tratsportation - RSPA (DHM - 10)
400 Seventh Street, S.W.
Washingion, DC 20590-0001
Dear Mr. Mazzullo:
I am writing to request an interpretation regarding the general placarding requirements
outlined in 49 CFR 172. The questions concerns non-bulk containers shipped on a box
van, in domestic transport, over the road only. Assume a transport vehicle is making
multiple stops, picking up less than truckload quantities of multiple hazard classes in
varying quantities, both above and below the thresholds for placarding requirements. To
whom does the placarding responsibility fall in the case of a shipper offering less than
454Kg (1001 pounds) of a single hazard class and less than 1001 pounds aggregate gross
weight of hazardous materials, which would be exempt from the general placarding
requirement assuming there was not additional hazardous materials ether previously or
subsequently loaded onto the transport vehicle that would then negate the exemption.
For example (1):
A transport vehicle first stops at a shipper where 306 pounds of class 8 hazardous
materials were loaded, only. The transport vehicle departs without a hazard class 8
placard per the less than 1001-pound exemption. The transport vehicle then travels to a
different shipper where 4,250 pounds of hazard class 4.1, and 1,800 pounds of hazard
class 3 are loaded. The second shipper insures the transport vehicle departs properly
placarded for the materials loaded there, hazard classes 4.1 and 3. Who is responsible for
insuring the class 8 placard is properly displayed on the transport vehicle?
Corporate Office: 640 Park Flace, Niagara Falls, New York 14301
Telephone 716-282-4100 • Fax 716-282-6986
6 Forest Park Drive • Farmington, CT 06032 • Telephone (860) 677-1146 • Fax (860) 677-4979
2025 E. Main Street, Suite 101 - Richmond, VA 23229 • Telephone (804) 649-0700 - Fax (804) 649-2360
103 Paradise Avenue • Baltimore, Maryland 21228 • Telephone (410) 719-9147 • Fax (410) 719-9149
www.wtsonline.com

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ост.23.2001
10:29AM
WASTE TECHNOLOGY SER
NO. 370
P.3
For example (2):
All is identical to example one, except there is one stop prior to the first stop where 3,700
pound of class 3 hazardous material was loaded. In this example the truck would
(presumably but not assuredly) be placarded with a class 3 placard. Would a shipper
responsible to know what was previously loaded onto the transport vehicle and provide
oflering, an otherwise exempted, 306 pounds of class 8 hazardous materials be held
the appropriate class 8 placard? What if the vehicle with the 3,700 pounds of class 3
hazardous material was not properly placarded upon arrival at the second stop?
While, undoubtedly, great oare should be exercised by all to insure proper placarding, it
seems reasonable that the responsibility for knowing and accounting for what has been
previously loaded onto a transport vehicle can not fall onto a shipper whom has not loaded
the previous hazardous material. Likewise, the responsibility for knowing that a vehicle
will subsequently be loaded with additional hazardous material, thusly causing the placard
exempted amount of hazardous material loaded by a shipper to require a placard at some
point in the future can not fall on the shipper who originally and correctly offers exempted
quantities of hazardous material without a placard.
As a final point, these same scenarios can be tweaked slightly to pose an entirely different
question that bears asking. Suppose the above listed scenarios concern the proper
segregation of hazardous materials (such as shipping a PIH zone A with hazard class 4.3)
instead of placarding requirements?
If you have any further questions, please do not hesitate to contact me.
WASTE TECHNOLOGY SERVICES, INC.
1.2-shh. 4
T.L. Nebrich, Jr., CHMM, QEP, REM
Technical Director
TLN/tIn
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