Standards and methods required. For example, ASTM D4814-11b Standard Specification for Automotive Spark-Ignition Engine Fuel and ASTM D4057 Practice for Manual Sampling of Petroleum and Petroleum Products.
Provides access to full text resources on topics including current and general news; business and financial information; newspapers; company directories; government and politics; medical and health topics; accounting, auditing, and tax; federal and state laws; legal cases; and regulations. Resources include TV and radio news transcripts.
SciFinder, a database of chemical literature also provides links to many regulations - from EPA DOT, state, international. Requires free registration to Cornell users. Search by substance, then click on "regulatory information."