# Joint OSHA-PHMSA Memo (PDF)

- **operation:** document
- **citation:** PHMSA Guidance, Joint OSHA-PHMSA Memo (PDF)
- **title:** Joint OSHA-PHMSA Memo (PDF)
- **source type:** guidance
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** guidance
- **official:** true
- **published on:** Not available
- **effective on:** Not available
- **summary:** Joint OSHA-PHMSA Memo (PDF) Document jointphmsamemo09192016.pdf (236.72 KB) Effective Date: Tuesday, February 18, 2020
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- **source url:** https://www.phmsa.dot.gov/regulatory-compliance/phmsa-guidance/joint-osha-phmsa-memo-pdf
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Joint OSHA-PHMSA Memo (PDF)

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 jointphmsamemo09192016.pdf (236.72 KB)

          Effective Date: Tuesday, February 18, 2020

<<<PAGE 1>>>

September 19, 2016
Labeling of Hazardous Chemicals for Bulk Shipments
Joint Guidance Memorandum
Prepared by PHMSA’s Office of Hazardous Materials Safety and OSHA
Introduction
The U.S. Department of Transportation’s (DOT) Pipeline and Hazardous Materials Safety
Administration (PHMSA) and the U.S. Department of Labor’s Occupational Safety and Health
Administration (OSHA) are responsible for enforcing distinct and separate safety standards that
address appropriate labeling of chemical hazards in transportation (PHMSA) and in the
workplace1 (OSHA). PHMSA’s labeling requirements are contained in the U.S. Hazardous
Materials Regulations (HMR; 49 CFR Parts 100-180) and apply to transportation2 of hazardous
materials in commerce. OSHA’s labeling requirements are specific to the workplace and are
found in the Hazard Communication Standard (HCS 2012), 29 CFR § 1910.1200. For the
purposes of this memorandum, labeling also includes DOT placarding, signs, and other
markings.
PHMSA and OSHA are aware of a number of questions from stakeholders concerning the
labeling required by each agency. The purpose of this memorandum is to provide clarity on the
general applicability of, and overall relationship between, DOT’s labeling requirements under
the HMR and OSHA’s labeling requirements for bulk shipments under the HCS 2012.
DOT HMR Labeling Requirements
DOT’s HMR requires labeling to be displayed or provided with a shipment during transportation
in commerce. The HMR provides a comprehensive labeling system to communicate to
personnel involved in the transportation of hazardous materials, including emergency responders
and the general public, the potential dangers of handling packages containing hazardous
materials or a sudden uncontrolled release of hazardous materials during transportation. During
transportation, DOT’s HMR governs hazard communication labeling requirements. OSHA’s
1 Workplace means an establishment, jobsite, or project, at one geographical location containing one or more work
areas. A work area means a room or defined space in a workplace where hazardous chemicals are produced or used,
and where employees are present.
2 Transportation means the movement of property and loading, unloading, or storage incidental to the movement
(see 49 CFR § 107.1). Loading, unloading, and storage incidental to movement are defined in 49 CFR § 171.8.

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HCS 2012 labeling is not required on shipping containers in transport, even when DOT’s HMR
does not require labeling in transportation.
OSHA HCS 2012 Labeling Requirements for Bulk Shipments in DOT Containers (e.g.,
tanker trucks, rail cars)
OSHA’s HCS 2012 requires labeling of hazardous chemicals in the workplace, both before and
after transportation in commerce. OSHA requires labeling on the immediate container of
hazardous chemicals. Regarding bulk shipments of hazardous chemicals, the HCS 2012 requires
either labeling the immediate container with hazard information or transmitting the required label
with shipping papers, bills of lading, or by other technological or electronic means so that it is
immediately available to workers in printed form on the receiving end of a shipment. The
OSHA HCS 2012 requirements for shipped material apply independently of whether the same
material is subject to HMR labeling requirements during transportation.
Note on Bulk Shipments Bearing Both DOT and OSHA HCS 2012 Labels
The HMR prohibits the display on a package of any marking or label that could be confused or
conflict with a label required by the HMR. Specifically, 49 CFR § 172.401(b) states:
“No person may offer for transportation and no carrier may transport a
package bearing any marking or label which by its color, design, or shape
could be confused with or conflict with a label prescribed by this part.”
However, the prohibition in 49 CFR § 172.401(b) does not apply to packages labeled in
conformance with certain international standards, including the UN Globally Harmonized
System of Classification and Labelling of Chemicals (GHS) (see 49 CFR § 172.401(c)). The
provisions of 49 CFR § 172.401(c) apply only to labeling in accordance with the GHS, and
subsequently in accordance with OSHA 29 CFR § 1910.1200(f). The GHS labeling provisions,
including as implemented by OSHA, require all hazard communication elements to be located on
the label and these hazard communication elements must only appear as part of a complete GHS
label. As such, the display of a marking or label not required by DOT’s HMR, but conforming
to OSHA’s HCS 2012 and consistent with the GHS is not a violation of the HMR. This includes
packages meeting the definition of a “bulk package” as defined by the HMR. In other words, an
HCS 2012-compliant OSHA label and a DOT HMR label or marking may both appear on the
same package.
Note: The DOT and OSHA are aware of some examples of pictograms/symbols displayed on
bulk packages that are not consistent with the HCS (29 CFR § 1910.1200) and that are not
compliant with hazard communication required by the HMR (49 CFR Parts 100-180). Such
labeling is prohibited by the HMR.
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