50-State Liquid CO2 Storage & Dry Ice Codes
State-by-state ASME Boiler & Pressure Vessel Code (BPVC Section VIII Division 1) bulk cryogenic liquid $\text{CO}_2$ tank inspection, Compressed Gas Association (CGA G-6 / G-6.2) food-grade purity standards, and continuous ambient $\text{CO}_2$ atmospheric alarm monitoring requirements.
| State | Governing Boiler & Pressure Vessel Safety Division | Bulk Cryogenic Liquid CO2 Tank Inspection Mandate | Continuous Atmospheric CO2 Gas Monitoring & Alarm | Dry Ice Sublimation Transport DOT / HazMat Rules |
|---|---|---|---|---|
| Alabama | Alabama Department of Labor (Boiler Division) | National Board / ASME Sec VIII Biennial Inspection | Mandatory > 5,000 ppm Audible / Visual Alarm | UN1845 Class 9 Transport Placard |
| Alaska | Alaska Department of Labor (Mechanical Inspection) | ASME Sec VIII Pressure Vessel Certificate | Continuous ambient gas detection | Aviation / Marine cargo sublimation venting |
| Arizona | Industrial Commission of Arizona (ADOSH Boiler) | ASME Section VIII Operating Permit | OSHA 1910.1000 CO2 monitor mandatory | DOT Class 9 dry ice packaging standards |
| Arkansas | Arkansas Department of Labor (Boiler Inspection) | State Boiler & Pressure Vessel Inspection | Confined space atmospheric sensor | UN1845 commercial cargo rules |
| California | Cal/OSHA Pressure Vessel Unit (Title 8 CCR) | Strict Cal/OSHA Unfired Pressure Vessel Permit | Strict Title 8 Cal/OSHA Continuous Monitor (5,000 ppm) | California CHP HazMat Transport Rules |
| Colorado | Colorado CDLE Division of Oil & Public Safety (OPS) | OPS Boiler & Pressure Vessel Registration | IFC Section 5307 Liquid CO2 Alarm Mandate | CDOT dry ice commercial freight rules |
| Connecticut | CT State Police / DAS Boiler Safety | ASME Section VIII Annual Operating Permit | CGA G-6.5 continuous monitoring standard | DOT 49 CFR Part 173 compliance |
| Delaware | Delaware DNREC / Boiler Safety Program | State Operating Certificate for LCO2 Tanks | Enclosed space dual-level alarm (5k/30k ppm) | DelDOT HazMat cargo notification |
| Florida | Florida DFS Division of State Fire Marshal | ASME Sec VIII / NFPA 55 Liquid CO2 Systems | Mandatory IFC 5307 Emergency Alarm System | DOT dry ice cold-chain transport |
| Georgia | Georgia Office of Insurance & Safety Fire Commissioner | State Boiler & Pressure Vessel Permit | Continuous room CO2 gas sensor | GDOT commercial transport standards |
| Hawaii | Hawaii DLIR Boiler & Elevator Safety Branch | ASME Boiler & Pressure Vessel Operating Permit | HIOSH confined space monitoring | Inter-island container sublimation venting |
| Idaho | Idaho Division of Occupational & Professional Licenses | National Board Pressure Vessel Inspection | OSHA compliant atmospheric sensor | ITD commercial freight compliance |
| Illinois | Office of Illinois State Fire Marshal (Boiler Safety) | Mandatory OSFM Pressure Vessel Registration | IFC 5307 continuous monitoring standard | IDOT dry ice shipping rules |
| Indiana | Indiana DHS Fire & Building Safety Division | State Regulated Pressure Vessel Operating Permit | 675 IAC / IFC Liquid CO2 Alarm Mandate | INDOT commercial cargo compliance |
| Iowa | Iowa Division of Labor (Boiler Safety Bureau) | Iowa Code 89 Pressure Vessel Inspection | OSHA TWA continuous monitor | Iowa DOT Class 9 shipping |
| Kansas | Kansas State Fire Marshal (Boiler Safety Program) | ASME Section VIII State Inspection | CGA G-6.5 safety alarm standards | KDOT dry ice transport rules |
| Kentucky | Kentucky Department of Housing (Boiler Section) | 815 KAR 15:027 Pressure Vessel Certificate | Mandatory gas detection interlock | KYTC commercial vehicle compliance |
| Louisiana | Louisiana Office of State Fire Marshal (Boilers) | ASME Pressure Vessel Operating Certificate | Confined space multi-sensor monitoring | LSP HazMat transport division |
| Maine | Maine Department of Professional & Financial Regulation | Maine Boiler and Pressure Vessel Board | Enclosed room CO2 gas alarm | Maine DOT cargo rules |
| Maryland | Maryland DLLR Division of Labor & Industry (Boiler) | Mandatory State Boiler/Pressure Vessel Inspection | COMAR 09.12 continuous sensor rule | MDTA / MDOT HazMat compliance |
| Massachusetts | Mass DPS Board of Boiler Rules (522 CMR) | Strict First-Class Engineer / ASME Inspection | 527 CMR / IFC 5307 Dual-Alarm Monitor | MassDOT UN1845 transport standards |
| Michigan | Michigan LARA Bureau of Construction Codes (Boiler) | Michigan Boiler Rules Operating Permit | MIOSHA / IFC 5307 Continuous CO2 Alarm | MDOT commercial dry ice rules |
| Minnesota | Minnesota DLI Boiler Services Section | MN Rules 5225 Pressure Vessel Registration | MN Fire Code liquid CO2 sensor mandate | MnDOT cold-chain cargo rules |
| Mississippi | Mississippi State Department of Health / Boiler Unit | ASME Section VIII State Certification | Continuous atmospheric gas monitor | MDOT commercial vehicle compliance |
| Missouri | Missouri Division of Fire Safety (Boiler & Pressure) | State Operating Certificate for LCO2 Tanks | OSHA continuous TWA monitor | MoDOT commercial transport rules |
| Montana | Montana Department of Labor & Industry (Building Codes) | ASME Section VIII Pressure Vessel Inspection | Enclosed space oxygen/CO2 sensors | MDT dry ice transit standards |
| Nebraska | Nebraska Department of Labor (Boiler Inspection) | State Boiler Safety Act Operating Permit | IFC 5307 gas monitoring standard | NDOT freight transport rules |
| Nevada | Nevada DIR Mechanical Compliance Section | Mandatory Boiler/Pressure Vessel Certificate | NAC 455C / IFC Liquid CO2 Alarm Mandate | NDOT commercial transport compliance |
| New Hampshire | NH Department of Labor (Inspection Division) | RSA 157-A Pressure Vessel Inspection | Continuous CO2 room monitor | NHDOT Class 9 cargo rules |
| New Jersey | NJ Bureau of Boiler & Pressure Vessel Compliance | Mandatory NJBPVC Registration & Inspection | UCC / IFC 5307 Continuous Emergency Alarm | NJDOT HazMat carrier compliance |
| New Mexico | New Mexico CID Boiler & Pressure Vessel Bureau | NMAC 14.9.4 Operating Certificate | Continuous ambient gas detection | NMDOT commercial freight rules |
| New York | NYS DOL Boiler Safety Bureau (Code Rule 4) | Strict NYS Certificate of Competence & Tank Inspection | NYS Fire Code Section 5307 Continuous Alarm | NYSDOT HazMat shipping rules |
| North Carolina | NCDOL Boiler Safety Bureau (NCGS 95-69) | Mandatory NC Boiler Inspection Certificate | IFC 5307 liquid CO2 sensor standard | NCDOT dry ice transit compliance |
| North Dakota | ND Insurance Department (Boiler Inspection) | NDCC 26.1-22.1 Pressure Vessel Certificate | Confined space atmospheric sensor | NDDOT commercial vehicle rules |
| Ohio | Ohio Department of Commerce (Division of Industrial Compliance) | Ohio Revised Code 4104 Pressure Vessel Permit | Ohio Fire Code Liquid CO2 Alarm Mandate | ODOT UN1845 shipping rules |
| Oklahoma | Oklahoma Department of Labor (Safety & Boiler) | ASME Section VIII Biennial Inspection | Continuous TWA gas monitoring | ODOT commercial freight standards |
| Oregon | Oregon BCD Boiler & Pressure Vessel Section | OAR 918-225 Operating Permit Mandatory | Oregon Fire Code CO2 detector standard | ODOT dry ice cold-chain rules |
| Pennsylvania | PA Department of Labor & Industry (Boiler Division) | Boiler and Unfired Pressure Vessel Law Certificate | Continuous room monitoring system | PennDOT commercial transit rules |
| Rhode Island | RIDOL Occupational Safety (Boiler Inspection) | State Boiler & Pressure Vessel Permit | IFC 5307 gas monitoring standard | RIDOT HazMat compliance |
| South Carolina | SC LLR Division of Labor (Boiler Safety) | ASME Section VIII Operating Certificate | OSHA compliant atmospheric sensor | SCDOT commercial freight compliance |
| South Dakota | SD Department of Public Safety | National Board Pressure Vessel Standards | Confined space gas monitor | SDDOT dry ice transit rules |
| Tennessee | Tennessee Department of Labor (Boiler Section) | TCA 68-122 State Pressure Vessel Permit | TOSHA / IFC 5307 Sensor Mandate | TDOT commercial vehicle compliance |
| Texas | TDLR Boiler Safety Program (16 TAC Chapter 65) | Mandatory TDLR Pressure Vessel Certificate | IFC Section 5307 Liquid CO2 Alarm Standard | TxDOT / DPS HazMat Transport Rules |
| Utah | Utah Labor Commission (Boiler & Elevator Safety) | Utah Code 34A-7 Operating Certificate | Continuous CO2 alarm monitor | UDOT commercial freight rules |
| Vermont | Vermont Department of Public Safety (Fire Safety) | ASME Section VIII Boiler Inspection | Enclosed space gas detector | VTrans dry ice cargo standards |
| Virginia | DOLI Boiler and Pressure Vessel Safety (16 VAC 25) | State Operating Certificate Mandatory | VOSH / IFC 5307 Sensor Mandate | VDOT commercial transport rules |
| Washington | Washington State L&I Boiler/Pressure Vessel Section | WAC 296-104 Operating Certificate Mandatory | WAC 296-841 Continuous CO2 Gas Monitor | WSDOT dry ice cold-chain transit |
| West Virginia | WV Division of Labor (Safety Section) | State Pressure Vessel Inspection | Continuous atmospheric gas sensor | WVDOT commercial vehicle rules |
| Wisconsin | Wisconsin DSPS Boiler & Pressure Vessel Program | SPS 341 Operating Permit Mandatory | IFC 5307 / SPS Continuous Alarm Sensor | WisDOT dry ice shipping rules |
| Wyoming | Wyoming Department of Workforce Services (OSHA) | ASME Section VIII Safety Standards | Confined space atmospheric sensor | WYDOT commercial cargo compliance |