Hazardous Materials Safety Interpretations

The Pipeline and Hazardous Materials Safety Administration, Office of Hazardous Materials Safety (OHMS) provides written clarifications of the Hazardous Materials Regulations (HMR; 49 CFR Parts 100-185) in the form of interpretation letters. These letters reflect the agency's current application of the HMR to the specific facts presented by the person requesting the clarification. Interpretations are one form of Guidance provided by OHMS.

Data e Risorse

Campo Valore
accessLevel public
accrualPeriodicity irregular
agencyDataSeriesURL http://www.phmsa.dot.gov/hazmat/regs/interps
agencyProgramURL http://www.phmsa.dot.gov/hazmat/regs/interps
analysisUnit Regulated Entity
bureauCode {021:50}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_@id https://data.transportation.gov/data.json
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
categoryDesignation Research
collectionInstrument Transportation
collection_metadata true
dataQuality true
identifier DOT-327
issued 2011-01-18
landingPage https://data.transportation.gov/d/pwdf-sj2q
language {en-US}
license http://www.usa.gov/publicdomain/label/1.0/
modified 2018-12-19
phone 202-366-4308
programCode {021:000}
publisher Pipeline and Hazardous Materials Safety Administration
references {http://www.phmsa.dot.gov/hazmat/regs/interps}
resource-type Dataset
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source_hash 315891acd9bf7148e53dd73288f0da5f7f07bf46
source_schema_version 1.1
temporal 1995-01-01/2011-01-18
theme {Transportation}
Gruppi
  • AmeriGEOSS
  • National Provider
  • North America
Tag
  • amerigeo
  • amerigeoss
  • ckan
  • data-gov
  • geo
  • geoss
  • hazardous-materials
  • interpretation
  • law
  • national
  • north-america
  • safety
  • transportation
  • united-states
isopen False
license_id us-pd
license_title us-pd
maintainer Dan Morgan
maintainer_email opendata@dot.gov
metadata_created 2025-11-22T01:18:26.914651
metadata_modified 2025-11-22T01:18:26.914654
notes The Pipeline and Hazardous Materials Safety Administration, Office of Hazardous Materials Safety (OHMS) provides written clarifications of the Hazardous Materials Regulations (HMR; 49 CFR Parts 100-185) in the form of interpretation letters. These letters reflect the agency's current application of the HMR to the specific facts presented by the person requesting the clarification. Interpretations are one form of Guidance provided by OHMS.
num_resources 1
num_tags 14
title Hazardous Materials Safety Interpretations