ASTM Compass This link opens in a new window
This complete set has 12,000+ of the ASTM (American Society for Testing & Materials) standards. The latest versions of the standards are provided in PDF or HTML. Search by the standard designation or keyword. Subjects such as metals, construction, the environment and more are covered. Provides access not only to the current versions of standards, but also to the historical versions dating back 20 years, and redlined version comparisons.