Owners and operators must ensure that service providers performing UST system services are certified in accordance with the requirements of this section.

(1) Installation and repair. To perform or directly supervise UST system services requiring certification in installation and repair, a service provider must be certified as having sufficient education and experience by:

(a) The International Code Council (UST Installation/Retrofitting - U1);

(b) Another nationally or internationally recognized association approved by the department that provides a qualifying examination; or

(c) Passing another qualifying examination approved by the department.

(2) Tightness testing. To perform or directly supervise UST system services requiring certification in tightness testing, a service provider must be certified as having sufficient education and experience by:

(a) The International Code Council (UST Tank Tightness Testing - U3);

(b) Another nationally or internationally recognized association approved by the department that provides a qualifying examination; or

(c) Passing another qualifying examination approved by the department.

(3) Site assessment. To perform or directly supervise UST system services requiring certification in site assessment, a service provider must be certified as having sufficient education and experience by:

(a) The International Code Council (Washington State Site Assessment - U7);

(b) Another nationally or internationally recognized association approved by the department that provides a qualifying examination;

(c) Passing another qualifying examination approved by the department; or

(d) Being licensed as a professional engineer or hydrogeologist in Washington state under chapter 18.43 or 18.220 RCW and being able to demonstrate competence in site assessment by means of examination, experience, or education.

(4) Decommissioning. To perform or directly supervise UST system services requiring certification in decommissioning, a service provider must be certified as having sufficient education and experience by:

(a) The International Code Council (UST Decommissioning - U2);

(b) Another nationally or internationally recognized association approved by the department that provides a qualifying examination; or

(c) Passing another qualifying examination approved by the department.

(5) Corrosion expert. To perform or directly supervise UST system services requiring certification as a corrosion expert, as defined in WAC 173-360A-0150(13), a service provider must be certified as having sufficient education and experience by:

(a) The National Association of Corrosion Engineers;

(b) Another nationally or internationally recognized association approved by the department that provides a qualifying examination;

(c) Passing another qualifying examination approved by the department; or

(d) Being licensed as a professional engineer in Washington state under chapter 18.43 RCW and certified as cathodic protection tester under subsection (6) of this section.

(6) Cathodic protection tester. To perform or directly supervise UST system services requiring certification as a cathodic protection tester, as defined in WAC 173-360A-0150(4), a service provider must be certified as having sufficient education and experience by:

(a) The International Code Council (UST Cathodic Protection - U4);

(b) The National Association of Corrosion Engineers;

(c) The Steel Tank Institute;

(d) Another nationally or internationally recognized association approved by the department that provides a qualifying examination; or

(e) Passing another qualifying examination approved by the department.