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function properly. This facility must repair/replace the monitoring system to allow <br />continuous monitoring of the 91 sump + piping. Correct by 5-22-04 (New Ronan LS -3 <br />remains)." In the corresponding Violation checklist, a check was placed next to "CCR <br />2636(f)(1) Continuous monitoring system for underground piping." <br />Response: BP immediately removed the 91 tank from service and with your approval <br />faxed a permit application to the EHD for the necessary repairs. BP's contractor, Elite <br />IV, promptly performed all necessary repairs to the monitoring system. Upon completion <br />of the repairs, Elite IV confirmed that the sump sensor for the 91 line is functioning <br />properly and that the continuous monitoring system for the underground piping is fully <br />operational. Enclosed is a copy of the corresponding work acknowledgement forms. A <br />follow-up test with your office has been scheduled for May 28, 2004. <br />3. Alleged Violation: The UST Program Inspection Report stated, "During the <br />monitoring certification the 91 annular sensor went into alarm and was unable to place <br />out of alarm. Repair/replace monitoring system to allow proper function of 91 annular <br />sensor. Correct by 5-22-04." In the corresponding Violation checklist, a check was <br />placed next to "CCR 2632(c)(2) Continuous monitoring system for UST." <br />Response: BP removed this tank from service until all necessary repairs were made to <br />the monitoring system. After submitting the appropriate permit application, BP's <br />contractor, Elite IV, performed the necessary repairs and confirmed that the annular <br />sensor for the 91 tank is functioning properly and that the continuous monitoring system <br />for the interstitial space of the tank is fully operational. Enclosed is a copy of the <br />corresponding work acknowledgment forms. A follow-up test with your office has been <br />scheduled for May 28, 2004. <br />4. Alleged Violation: The UST Program Inspection Report stated, "This facility does <br />not have positive shut down therefore an annual line tightness test must be completed. <br />Submit results of line tightness test by 5-22-04. (This office received notification of <br />testing earlier this month.)" In the corresponding Violation checklist, a check was placed <br />next to "CCR 2638(f)(4) Annual line tightness test." <br />Response: This facility successfully passed the required line tightness test for 2003 and <br />2004. Therefore, the facility has been in compliance with the testing requirements set <br />forth in the California Code of Regulations § 2638(f)(4) and should not be subject to this <br />NOV. Enclosed for your review are copies of the 2003 and 2004 test results. <br />5. Alleged Violation: The UST Program Inspection Report stated, "The 89 drop tube <br />was found to stop flow at 97%. Overfill prevention require a drop tube to stop flow at <br />95%. Replaced 89 drop tube during monitoring certification." In the corresponding <br />Violation checklist, a check was placed next to "CCR 2635(b)(2) Overfill prevention <br />program." <br />Response: The 89 drop tube provided positive shut-off of flow to the tank so that none <br />of the fittings located on the top of the tank would be exposed to product due to <br />overfilling. Accordingly, the tank was in compliance with the requirements of California <br />Code of Regulations § 2635(b)(2)(D) and the facility should not be subject to this NOV. <br />However, to provide a more conservative level of spill protection, a technician from BP's <br />