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Hazardous Materials Safety Interpretations

Metadata Updated: June 26, 2024

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.

Access & Use Information

Public: This dataset is intended for public access and use. License: us-pd

Collection

This dataset is a collection of other datasets.

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Downloads & Resources

References

http://www.phmsa.dot.gov/hazmat/regs/interps

Dates

Metadata Created Date November 12, 2020
Metadata Updated Date June 26, 2024
Data Update Frequency irregular

Metadata Source

Harvested from DOT Socrata Data.json

Additional Metadata

Resource Type Dataset
Metadata Created Date November 12, 2020
Metadata Updated Date June 26, 2024
Publisher Pipeline and Hazardous Materials Safety Administration
Maintainer
Identifier DOT-327
Data First Published 2011-01-18
Language en-US
Data Last Modified 2024-06-03
Category Transportation
Public Access Level public
Data Update Frequency irregular
Agencydataseriesurl http://www.phmsa.dot.gov/hazmat/regs/interps
Agencyprogramurl http://www.phmsa.dot.gov/hazmat/regs/interps
Analysisunit Regulated Entity
Bureau Code 021:50
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://data.transportation.gov/data.json
Schema Version 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
Data Quality True
Harvest Object Id 4f5c46be-4146-4609-9858-57ec1f1fb324
Harvest Source Id a776e4b7-8221-443c-85ed-c5ee5db0c360
Harvest Source Title DOT Socrata Data.json
Homepage URL https://data.transportation.gov/d/pwdf-sj2q
License http://www.usa.gov/publicdomain/label/1.0/
Phone 202-366-4308
Program Code 021:000
Related Documents http://www.phmsa.dot.gov/hazmat/regs/interps
Source Datajson Identifier True
Source Hash ea605b1416d624024008038976a1530710e0977122732abd914cf6988e6e9858
Source Schema Version 1.1
Temporal 1995-01-01/2011-01-18

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