Hydrogen Codes and Standards Portal provides one-stop access to standards critical to the jobs of building code officials, permitting officials, fire safety officials, product designers, and manufacturers. This information can be accessed by browsing the taxonomy below, or by using the search box to the left.
To use the browse feature,
- Select a category or subcategory by clicking the check box next to its name.
- If you click more than one subcategory in the same main category, records from all marked subcategories will be returned.
- If you check subcategories from more than one main category only records that have been classified as belonging to both subcategories will be returned.