Which organization is known for publishing specifications for various petroleum products?

The organization known for publishing specifications for various petroleum products is ASTM, which stands for the American Society for Testing and Materials. ASTM develops and publishes voluntary consensus technical standards for materials, products, systems, and services across a broad range of industries, including petroleum and energy. These standards ensure quality, safety, and reliability in the manufacturing and use of petroleum products, facilitating international trade and compliance with regulations.

ISO, or the International Organization for Standardization, also develops standards but is more focused on international standardization rather than specifically addressing petroleum products alone. The EPA, or Environmental Protection Agency, primarily deals with environmental protection regulations and policies, while OSHA, the Occupational Safety and Health Administration, focuses on workplace safety and health standards. Hence, while they all play important roles in their respective fields, the specific focus of ASTM on product specifications makes it the correct choice.