STI/SPFA maintains a comprehensive of list of resources for industry reference and use by Members and Non-Members. Fee-based documents available to the public are charged at the Non-Member rate. A  discount applies to STI/SPFA Member purchases. Member prices are are only displayed when Members are logged in to the website with Member credentials established with the assistance of STI/SPFA Staff. Call 847/438-8265 or email info@steeltank.com for assistance with Member logins.