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under this permit in accordance with 40 CFR §146.8 and paragraph (a)(iii)above. (iii) At least once every five (5) years during the life of the well, an internal pressure MIT shall be conducted on each injection well authorized under this permit in accordance with 40 CFR §146.8 and paragraph(a)(i) above. (c) Loss of Mechanical Inteerity The Permittee shall notify EPA, in accordance with Part III, Section E paragraph 10 of this permit,under any of the following circumstances: (i) The well fails to demonstrate mechanical integrity during a test,or (ii) A loss of mechanical integrity becomes evident during operation, or (iii) A significant change in the annulus or injection pressure occurs during normal operating conditions. See Section D.6 of this part. Furthermore, in the event of (i), (ii), or (iii), injection activities shall be terminated immediately and operation 'shall not be resumed until the Permittee has taken necessary actions to restore mechanical integrity to the well and EPA gives approval to recommence injection. (d) Prohibition without Demonstration After the permit effective date,injection into wells may continue only if: (i) The well has passed an internal pressure MIT in accordance with paragraph 2(a)(i) of this section; and (ii) The Permittee has received written notice from EPA that the internal pressure MIT demonstration is satisfactory. 3. Iniection Pressure Limitation (a) Maximum allowable injection pressure measured at the wellhead for wells STIG-1, LEC-1 and LEC-2 shall be based on the Step-Rate Test conducted under Section B paragraph 3(b) of this part. EPA will provide the Permittee written notification of the maximum allowable injection pressure for each injection well constructed and operated under this permit, along with a minor modification of the permit under 40 CFR §144.41(e). FINAL UIC Permit CA10910003 Page 15 of 29