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change in the annulus or injection pressure occurs <br /> ' during normal operating'conditions, the permittee <br /> shall_ notify the `Director in accordance with Part <br /> III, Section E l0 of .this permit. Furthermore, <br /> injection activities shall be' terminated immediately <br /> and operation shall not be resumed until the <br /> permittee has taken necessary actions to restore <br /> integrity to the well. and EPA gives approval to <br /> recommence injects"on. <br /> 3 . Confining Layer The� injjection formation is confined by a <br /> 117 foot thick marine- shale accompanied by minor amounts <br /> of microl.ignitic siltstone, of the Nortonville formation <br /> which ,immediately overlies the Domengine formation <br /> 4. Injection PressurefLimitation. <br /> (a) Injection pressure measured at_ the wellhead shall <br /> not exceed 975 psig for injection into the Domengine <br /> formation,, based on a fracture pressure gradient of <br /> 0..73 psi per. foot In no case shall injection <br /> pressure initiate fractures in the confining- zone, <br /> or cause themovement of injection, or formation ; <br /> - f;luids into- an underground source of drinking water <br /> (USDW) . <br /> (b) The injection ;:pressure limitations in paragraph (a) <br /> may -be increased by the�Director based on the <br /> ,.. <br /> results -, f a valid s. _ _rate lnj_ection test in the <br /> _. - , <br /> respective proposed injection "zone(s) The Director <br /> will d.etermine::,any. allowable increase .based upon the <br /> step-rate test results and other parameters <br /> reflecting actual injection operations. <br /> (c.)= - Any approval granted by ,the. Director f or the <br /> increased pressure limitations as stated- in <br /> paragraph. (b) shall be,-made part of this permit by <br /> minor modification without further opportunity for <br /> public comment. <br /> 5. Injection Volume� (Rate) Limitation <br /> (a) The injection rate shall not exceed 200 gpm at any <br /> time. - <br /> (b) The permittee may request an increase in the maximum <br /> rate allowed in paragraph (a) . Any such request <br /> shall be made in writing to the Director. <br /> (c) Should any increase in. rate be requested, the <br /> permittee shall demonstrate to the satisfaction of <br /> Page 9 of 31 <br /> UIC Permit #CA194000002 <br />