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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Interpretation Response #23-0071

Below is the interpretation response detail and a list of regulations sections applicable to this response.

Interpretation Response Details

Response Publish Date:

Company Name: Council on the Safe Transportation of Hazardous Articles

Individual Name: L’Gena Shaffer

Location State: NY Country: US

View the Interpretation Document

Response text:

September 18, 2023

L'Gena Shaffer
Director, Regulatory Compliance
Council on the Safe Transportation of Hazardous Articles
101 Ridge Street, Suite I
Glens Falls, NY  12801

Reference No. 23-0071

Dear Ms. Shaffer:

This letter is in response to your August 18, 2023, letter requesting clarification of the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180) applicable to the use of a comma in place of a decimal point in the United Nations (UN) specification packaging marking when used for describing the specific gravity on a packaging. In your letter, you provide an image of a UN specification packaging marking and ask whether the comma in "/Y1,6/" is acceptable to represent the specific gravity of 1.6.

The answer is yes. The use of a comma in place of a decimal point for the specific gravity is acceptable for international shipments to the United States. However, note that the use of the comma on a specification package marking in the United States may potentially lead to the frustration of the shipment as this practice is not widely known to domestic shippers or carriers.

I hope this information is helpful. Please contact us if we can be of further assistance.

Sincerely,

Shane C. Kelley
Director,
Standards and Rulemaking Division

Regulation Sections

Section Subject
178.503 Marking of packagings