DOT Special Permits List
Search Special Permit numbers by finding and clicking the group range that contains the permit you are looking for.
Note: the Search feature does not find expired special permit numbers. If you search for a special permit and it is expired, it will not find the documentation.
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Code of Federal Regulations
Link to CFR 49 Site (Applicable sections 172, 173 & 180)
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OSHA - Occupational Safety & Health
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OSHA - CFR 29 - 1910.101A
OSHA - Compressed Gas Regulations
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Nondestructive Inspection of High Pressure Aluminum Gas Cylinders
Joint report by RSPA & NTIAC analysing methods to detect SLC in Aluminum Cylinders
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NIOSH Respirator User Notice
NIOSH notice about SLC in 6351 Cylinders
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VE Stamp
Info for Hydro-testers (This link refers to CFR 49, Section 180. Scroll to paragraphs 180.209 & 180.213 for VE info)
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Authorized DOT Cylinder Requalifiers - USA
Find current RIN number holders via this link. NOTE: It is not always up to date!
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Authorized DOT Cylinder Requalifiers - INTL
Use this link to find requalifiers in International locations who are US DOT authorized. NOTE: This site can be out of date!
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