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14 KNIFE RIVE-I% REC -:IVED <br /> CORPORATION <br /> ANCOMPANY AUG 0 8 2011 <br /> unrw.kniferiuer.cam <br /> NORTHERN CALIFORNIA DIVISION-STOCKTON <br /> P.O.Box 6099 ENVIRONMENTAL HEALTH Cont Lie.334653 <br /> Stockton,CA 95206 PERMIT/SERVICES <br /> (209))948-0302 ff <br /> Au u594�66Y011 <br /> Ms. Stacy Rivera, <br /> San Joaquin County <br /> Environmental Health Department <br /> 600 E. Main Street <br /> Stockton, CA 95202-3029 <br /> RE: Return to Compliance <br /> Dear Ms Rivera: <br /> Enclosed please find a signed Returned to Compliance Certification in regard to the issues you identified <br /> during your inspection on July 8, 2011. The following is a summary of work accomplished to date: <br /> • Notices to Comply#7—The metal fines were sampled and we have initial test results, but more <br /> testing is needed. The TTLC results were all below CCR Title 22 hazardous waste thresholds. <br /> However, some of the TTLC values were in excess of 10 times the STLC limits, so those metals <br /> are currently undergoing the STLC testing procedure. We plan to have a full hazardous waste <br /> determination submitted to your office by September 8, 2011. <br /> • Notice to Comply#32—A Registered Professional Engineer was commissioned to perform a <br /> tank assessment and his work is complete. Attached is a copy of the written tank assessment, <br /> including calculations. <br /> • Notice to Comply#45—A Hazardous Waste Contingency Plan has been developed for this <br /> facility. A copy of this plan along with evacuation maps is included. <br /> • Notice to Comply#49—As you know,the employees have been trained, however, we have not <br /> completed a written training program in accordance with CCR Title 22 regulations. We have <br /> made some progress on completing the written training program, but we still need more time to <br /> completely finalize the entire program. We plan to have the program finalized and submitted to <br /> your office by September 8, 2011. <br /> We appreciate your assistance in helping us to achieve our goal, which is to be in full compliance with all <br /> environmental laws and regulations, at a minimum. If you have any questions or comments, please do <br /> not hesitate to contact me at(209) 948-0302 or by email at steve.azevedo@kniferiver.com. <br /> P <br /> , <br /> Steve Azevedo <br /> California Environmental Manager <br /> Knife River Corporation <br />