Final answer:
The Canadian Standards Association (CSA) is responsible for developing and publishing the National Gas and Oil Codes in Canada.
Step-by-step explanation:
The organization responsible for developing and publishing the National Gas and Oil Codes in Canada is the Canadian Standards Association (CSA).
The CSA is a non-profit organization that develops and maintains standards in various fields, including the oil and gas industry. They are responsible for creating codes and standards that ensure the safe and efficient operation of oil and gas facilities in Canada.
The National Gas and Oil Codes cover a wide range of topics, such as the design, construction, operation, and maintenance of oil and gas pipelines, storage tanks, and refineries. These codes are essential for ensuring the safety of workers and the protection of the environment.