Mapping Safe Hydrogen Standards

H-17 Guideline for Small Scale Hydrogen Production

Carbon Capture, Utilization, and Storage – Capture

Ammonia Cracking

Ammonia Storage

Carbon Capture, Utilization, and Storage – Clean Up, Liquefaction, Compression

Safe Operation of Hydrogen, Carbon Monoxide, and Syngas Pipeline Systems

Standard for Cryogenic Hydrogen Transportation

Standard for Design Requirements for Tube Trailers and Tube Modules Standard for Design Requirements for Tube Trailers and Tube Modules

H-5 Standard For Bulk Hydrogen Supply Systems (Revision)

G-5.5 Hydrogen Vent System Requirements (Revision)

Safe Operation of Electrolyzers

Managing Oxygen Offtake from Electrolyzers

Safe Operation of Hydrogen Liquefier Cold Boxes

Design of Bulk Liquid Hydrogen Loading and Unloading Connections

This Standard is currently being developed.

HYCO Facility Plant Integrity Management

This Standard is currently being developed.

Hydrogen System Separation Distances

This Standard is currently being developed.

H-7 Standard Procedures for Hydrogen Supply Systems

Aims to standardize and improve safety and operational practices for those involved with hydrogen supply systems, covering essential…

H-17 Small Scale Hydrogen Production and Delivery

Addresses the safety aspects associated with siting and operating small scale hydrogen plants which are not currently addressed…

P-96 Reciprocating Cryogenic Pumps and Pump Installations for Hydrogen and Liquefied Natural Gas

This publication covers cryogenic reciprocating pumps and pump installations for hydrogen and LNG service.

H-16 Guideline on Remedial Actions for HYCO Plant Components Subject to High Temperature Hydrogen Attack

This publication will provide guidance, heuristics, and some examples of methodologies for the review of existing HYCO plant…

PS-69 CGA Position Statement on Liquefied Hydrogen Supply System Separation Distances

This position points to the clauses in NFPA 2 and NFPA 55 that allow equivalent protection methods for…

P-28 OSHA Process Safety Management and EPA Risk Management Plan Guidance Document for Bulk Liquid Hydrogen Supply Systems

This publication is designed to help owners and operators of liquid hydrogen bulk tanks comply with PSM and…

P-89 Prevention of Plant Instrument and Utility Gas System Cross Contamination

This publication provides recommendations and minimum requirements for the design and safeguards of utility and instrument gas systems…

G-5.5 Hydrogen Vent Systems

This publication provides information for personnel who design, install, and maintain hydrogen vent systems. 

H-5 Standard for Bulk Hydrogen Supply Systems (ANSI)

This standard contains minimum requirements for locating/siting, selecting equipment, installing, starting up, maintaining, and removing bulk hydrogen supply…

H-11 Safe Startup and Shutdown Practices for Steam Reformers

This publication applies to steam reformers that are operated with natural gas, refinery off gas, naphtha, and other…

H-4 Terminology Associated with Hydrogen Fuel Technologies

This publication provides a description of the technologies and terminology as they apply to hydrogen fuel production, storage,…

H-15 Safe Catalyst Handling in HYCO Plants

This publication applies to HYCO plants that produce hydrogen, carbon monoxide, or mixtures thereof, with a nominal production…

G-5.4 Standard for Hydrogen Piping Systems at User Locations

This standard describes the specifications and general principles recommended for piping systems for gaseous (Type I) or liquid…

H-3 Standard for Cryogenic Hydrogen Storage

This publication contains the suggested minimum design and performance requirements for shop-fabricated, vacuum-insulated cryogenic tanks (vertical and horizontal)…

P-74 Standard for Tube Trailer Supply Systems at Customer Sites

This standard contains minimum requirements for high pressure tube trailers that store compressed gases and serve as supply…

H-14 HYCO Plant Gas Leak Detection and Response Practices

This publication applies to HYCO plants. Information in this publication may also be applied to facilities, such as…

H-10 Combustion Safety for Steam Reformer Operation

This publication applies to steam reformers that are operated with natural gas, refinery off-gas, naphtha, and other light…

G-5 Hydrogen

This publication provides information on the physical and chemical properties of hydrogen and proper handling and use. It…

G-5.3 Commodity Specification for Hydrogen

This publication describes the current commodity specification for gaseous and liquid hydrogen including hydrogen for fuel cell applications…

H-13 Hydrogen Pressure Swing Adsorber (PSA) Mechanical Integrity Requirements

This publication is an industry-wide guideline for in-service mechanical integrity of PSA units and is intended to contribute…

PS-46 CGA Position Statement on Roofs Over Hydrogen Storage Systems

This publication addresses the safety concerns associated with roofs over gaseous hydrogen storage systems and provides recommendations for…

PS-48 CGA Position Statement on Clarification of Existing Hydrogen Setback Distances and Development of New Hydrogen Setback Distances in NFPA 55

This position statement provides recommendations for dealing with undefined exposures and which defined exposures are closest in nature…

H-12 Mechanical Integrity of Syngas Outlet Systems

This publication applies to steam reformers that are operated with natural gas, refinery off gas, naphtha, and other…

G-5.7 Carbon Monoxide and Syngas Pipeline Systems

This is a joint European Industrial Gases Association (EIGA)/CGA international harmonized standard on transmission and distribution piping systems…

C-6.4 Methods for External Visual Inspection of Natural Gas Vehicle (NGV) and Hydrogen Gas Vehicle (HGV) Fuel Containers and Their Installations

This publication provides information and procedures for the periodic visual examination and inspection of natural gas and hydrogen…

P-6 Standard Density Data, Atmospheric Gases and Hydrogen

Density data recommended in this publication were compiled by the Compressed Gas Association to provide uniform values of…

PS-33 On Use of LPG or Propane Tank as Compressed Hydrogen Storage Buffers

This position statement provides guidance on the safety consideration for those considering conversion of a vessel originally designed…

PS-31 CGA Position Statement on Cleanliness for Proton Exchange Membranes Hydrogen Piping/Components

This position statement addresses the potential negative impact of impurities on Proton Exchange Membrane (PEM) equipment and the…

G-5.6 Hydrogen Pipeline Systems

This is a joint European Industrial Gases Association (EIGA)/CGA international harmonized standard on metallic transmission and distribution piping…