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rQ <br /> Mr. Larry Williams <br /> J=une 29, 1989 <br /> Page 2 <br /> r' <br />.' All constituents are below the Wastewater Control Facility's (WCF) maximum allowable <br /> concentrations outlined in the May 11, 1989 WCF Policy. <br /> During the preparation of this report, it was determined that a malfunction of the recovery <br /> system had caused a shutdown of the recovery pump sometime in April 1989.. This <br /> malfunction was not discovered until early June 1989. Because the pump has not been ' <br /> operational, there have been no discharges to the sewer system since April 1989. The results <br /> of the monthly sample represent the water that was discharged to the sewer when the recovery <br /> pump was last in operation. <br /> ARCO is now in the process of replacing the recovery pump, concurrent with the <br /> _ =modificat u-ns-tomLthe-`teeoveTy`=system=to�bnng=it=into-compliance-with-the-May 1-1 1989;-�WGF=-;-� ._- <br /> Policy. Until the recovery system is fully operational and in compliance with WCF Policy, <br /> there will be no further discharges to the sewer, and therefore, no monthly sampling. Monthly <br /> sampling will resume when the discharge to .the sewer resumes. We estimate late July or <br /> early August for restart. We will notify your office prior to restart. <br /> If you have any questions or comments regarding these results or the subject site, please <br /> contact me or Ms. Patti De La O at (916) 444-0123. <br /> Very truly yours, <br /> BROWN AND CALDWELL <br /> JLarkry(VEITillips <br /> Project Manager <br /> LEP:PYD:mkw <br /> _ cc:. - Mr. K let Christie,7 ARCO-Products--Company <br /> Ms. Laurie Cotulla, San Joaquin County Local Health District <br /> Mr. Chris Winsor, ARCO Products Company, <br /> JUL/ 1989 <br /> ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES <br /> I <br /> t <br /> BROWN AND CALDWELL <br /> 723 S STREET SACRAMENTO,CALIFORNIA 95814-7092 (916)444-0123 <br />