An on-line exam for AST inspectors to renew their certification. *You must submit the application form and obtain login/password before purchasing this at the store. For details, click here.
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Steel Tank Institute/Steel Plate Fabricators Association (STI/SPFA)
944 Donata Court
Lake Zurich, IL 60047
Phone: 847-438-8265 | Fax: 847-438-8766