South Carolina Code of Regulations
Chapter 61 - DEPARTMENT OF HEALTH AND ENVIRONMENTAL CONTROL
Subchapter 61-92 - UNDERGROUND STORAGE TANK CONTROL REGULATIONS
Part 280 - TECHNICAL STANDARDS AND CORRECTIVE ACTION REQUIREMENTS FOR OWNERS AND OPERATORS OF UNDERGROUND STORAGE TANKS (UST)
Subpart B - UST SYSTEMS: DESIGN, CONSTRUCTION, INSTALLATION, NOTIFICATION AND PERMITTING
Section 61-92.280.B.24 - TESTING

(a) During installation of tank systems, tanks, piping, and secondary containment must be pneumatically and/or hydrostatically tested according to accepted industry standards and the manufacturers' installation instructions. During installation, ancillary equipment must be tested in accordance with a code of practice developed by a nationally recognized association or independent testing laboratory and in accordance with the manufacturer's instructions.

(b) The Department may require the operator to test UST system components for tightness or functionality when accurate release detection system records have not been maintained as specified in Subpart D.

(c) The Department may require the operator to test UST system components for tightness or functionality when stored regulated substances and/or their vapors have been detected in neighboring structures, sewers, wells, or other on-or-off property locations.

(d) All test results must be documented using a Department form, a Department approved form, or submitted in a format as approved by the Department.