When an unknown source of pollution from the release of materials regulated by this chapter is discovered, the owner or permit holder of any underground storage tank determined by the city to be a potential source of the release shall, upon written request from the city:
(A) Submit inventory records for the preceding 12-month period to the city for review;
(B) Submit records of repairs performed on the facility for the preceding three years to the city for review;
(C) Cause each facility to be precision tested within five days of receipt of the written request from the city. The underground storage facility owner, permit holder or testing company shall provide copies of the results of the tests to the city no later than ten working days after the date the tests were performed;
(D) If an underground storage tank fails the above mentioned precision test(s), the owner or permit holder shall install one or more approved monitoring wells adjacent to the underground storage tank and shall have an independent laboratory acceptable to the city perform analyses on soil, core and/or water samples extracted from these wells to determine if any contamination exists. The city and/or its designated agent, including but not limited to the Barton Spring/Edwards Aquifer Conservation District, shall determine which samples shall be extracted from these wells. The results of these analyses shall be provided to the city no later than ten working days after the date the tests were performed; and
(E) All costs for such precision tests, well installations, sampling, and lab analyses shall be borne by the owner or permit holder of the underground storage tank system.