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11/19/2009 09:13 209-465-4988 HMC PAGE 01/01 <br /> I R E DD <br /> lluv 1 9 2009 <br /> ENVIRUivivuv r HEALT11 <br /> HMC - Henderson Maintenance cornpan�PERMIT/SERVICES CSLB 856771 <br /> Service Station Repair and Maintenance (209) 467-7573 <br /> PO Box 31325 FAX (209) 465-4988 <br /> Stockton, CA 95213 www.StationRepair.com <br /> MEMORANDUM FOR RECORD <br /> Thursday,November 19,2009 <br /> TO: San Joaquin County EHD <br /> ATTN: Jeff Wong FAX: (209)464-0138 <br /> 600 E Main ST <br /> Stockton CA 95202 <br /> SUBJECT: Recurring ATG erroneous sensor alarms &subsequent CRASH. <br /> 76 -Lodi <br /> 1111 E Kettleman Ln <br /> Lodi, CA 95240 <br /> Jeff, <br /> This site continues to have erroneous(L-7 &L-8) sensor alarms and then CRASHES. <br /> We have replaced the ECPU2 under SR0058478. <br /> INTERSTICIAL SENSOR and SMART SENSOR modules have been replaced since <br /> SR005 8478 was closed,however,the issue recurs. <br /> HMC is still working on a resolution of this issue and WILL submit permit application <br /> when the corrective action information is determined. <br /> As crashes reoccur,the ATG is cold started and operability tested to ensure continuous <br /> monitoring. <br /> Thanks, <br /> Wayne Henderson <br />