 American Welding Society ATFs are listed on the official AWS website and advertised in the American Welding Society's "Welding Journal" magazine.The ATF program requires that a facility implements a quality assurance program that meets the requirements established in the AWS QC4-89, Standard for the Accreditation of Testing Facilities.The requirements include that the facility has a Quality Manual that controls the activities related to the testing of welders in the facility according to AWS QC7, Standard for AWS Certified Welders.