# American Freightways — Hazardous Materials Safety Interpretation

**Citation:** 99-0077  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 1999-03-29

99-0077 response to American Freightways concerning 177.841.

## Document text

<<<PAGE 1>>>

U.S. Department
of Transportation
400 Seventh Street, S.W.
Washington, D.C. 20590
Research and
Special Programs
Administration
MAR 2 9 1999
Mr. Ken Chambers
Ref. No. 99-0077
American Freightways
3100 South Beltline Road
-
Irving, IX 75060
Dear Mr. Chambers:
•
This is in response to your letter dated March 25, 1999,
regarding segregation requirements under § 177.848 of the •
Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180) .
Specifically you ask if it is permissible to transport
corrosive materials in the same vehicle with material known to
be foodstuffs.
The answer is yes. Under § 177.841, a package bearing or
required to bear a POISON or POISON INHALATION HAZARD label
may not. be transported in the same motor vehicle with material
known to be foodstuffs.
restrictions on
i the transportation of materials bearing a
However, the HMR does not impose
CORROSIVE label with material known to be foodstuffs.
I hope this satisfies your request.
Sincerely,
•
1. Gal
•
Transportation Regulations Specialist
Office of Hazardous Materials
Standards
•
177.841

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/1999/990077.pdf>
- Source ID: `phmsa`
- SHA-256: `67c03f7900424564d272b5797ef69252ae71259d4af013246a5a5a540fded9a1`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-21T23:21:31.292Z
- Document slug: `phmsa-interpretation-99-0077`

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