# Crompton Corporation — Hazardous Materials Safety Interpretation

**Citation:** 01-0084  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2001-04-27

01-0084 response to Crompton Corporation concerning 171.4.

## Document text

<<<PAGE 1>>>

•
of Transportation
U.S. Department
Washington, D.C.
400 Seventh Street, S.W.
20590
Research and
Special Programs
Administration
APR 2 7 2001
Mr. Donald Hodder
Ref. No.
01-0084
Crompton Corporation
Benson Road
Middlebury, CT
06749
Dear Mr. Hodder:
This is in response to your letter dated March 29, 2001,
requesting clarification on the applicability of the Hazardous
transport of a combustible liquid. Specifically, you ask if a
combustible liquid that also meets the definition of a marine
pollutant is excepted from the HMR under § 173.150 (f) (2) when
transported by highway, rail, or aircraft in a non-bulk
packaging.
The answer is yes. Section 173.150 (f) (2) specifies that the HMR
do not apply to a
combustible liquid in a non-bulk packaging
unless the combustible liquid is a hazardous substance, a
hazardous waste or a marine pollutant. The requirements specific
to marine pollutants do not apply to a non-bulk packaging
transported by motor vehicle, rail car or aircraft (§ 171.4(c)).
Therefore, a combustible liquid that is not a hazardous
or a hazardous waste but is a marine pollutant as defined in
§ 171.8, is not subject to the HMR when transported in a non-bulk
packaging by motor vehicle, rail car, or aircraft.
I hope this satisfies your request.
Sincerely,
Transportation Regulations Specialist
Office of Hazardous Materials Standards

<<<PAGE 2>>>

Crompton Corporation
Crompton
Benson Road
Middlebury, CT 06749
March 29, 2001
(203) 573-3702
BAH
Mr. Edward Mazullo, Director
U.S. Department of Transportation
§171.4.
Hazardous Materials Standards
400 Seventh Street, S.W.
Marine
Washington, DC 20590
Claritication
Pollutant
Subject: Clarification of the 49CFR DOT Regulations
01-0084
Dear Mr. Mazullo:
I am confused about sections of the regulations regarding Combustible Liquids and
Marine Pollutants.
§171.4 (c) Marine Pollutants reads as follows:
I copiers percept when transported aboard vessel the requirements of this
transported by motor vehicles, rail cars or aircraft.
$173.150 (f)(2) Combustible liquid reads as follows:
The requirements in this subchapter do not apply to a material classed as a
combustible liquid in a non-bulk packaging unless the combustible liquid is a
hazardous substance, hazardous waste, or a marine pollutant.
My concern regarding the interpretation of the regulations brings up the following
question.
Why would a combustible liquid in a non-bulk packaging be regulated if it is a
marine pollutant IF a marine pollutant is NOT regulated if it is in a non-buik
packaging?
Please review this question and advise your response to the above "letter head" address.
If you need to contact me I can be reached at 203-573-3702. Your assistance in this
matter is greatly appreciated.
Sincerely;
Catale
Donald Hodder
Hazmat Compliance Manager

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2001/010084.pdf>
- Source ID: `phmsa`
- SHA-256: `30a70cf9958fa49401174d938eeeb14984588bd2783ca21f98e120585f0b3deb`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-22T17:25:34.579Z
- Document slug: `phmsa-interpretation-01-0084`

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