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Page 1 of 2 <br /> Garrett Backus [EH] <br /> From: Garrett Backus [EH] <br /> Sent: Monday, February 28, 2011 10:58 AM <br /> To: 'Dennis Bock' <br /> Subject: RE: Vent sump installation -Costco#38- 1616 E Hammer Lane Stockton <br /> Attachments: Costco 38 monitoring plan.pdf <br /> Hi Dennis, <br /> Please see the highlights in orange on the monitoring plan and send me a corrected copy: <br /> 1) Tank integrity testing is not required for this system. Please uncheck this section. If Costoo wants to do <br /> this testing please notify us of the test date and send test results. <br /> 2) The pipe monitoring leak sensor model for the turbine sumps is a 857080-112. All of the different sump <br /> sensors should be listed here except for the dispenser sumps. You can also refer to the site map on this <br /> line. <br /> 3) Pipe integrity testing is not required for this system. Please uncheck this section. If Costco wants to do <br /> this testing please notify us of the test date and send test results. <br /> 4) The UDC monitoring does stop the flow of product at the dispenser. Please check the yes box. <br /> 5) In the comments section add the overfill prevention method. Currently the site has"Overfill Prevention <br /> Method: External audio/visual alarm set at 90% of tank capacity." <br /> 6) On the site map: The B and C sensors are 857080-112 (not 794380-112). <br /> Thank you, <br /> Garrett Backus <br /> Senior Registered Environmental Health Specialist <br /> San Joaquin County Environmental Health Department <br /> 600 E Main Street,Stockton CA 95202-3029 <br /> telephone: (209)468-2986 <br /> fax: (209)468-3433 <br /> email: Rbackus@sicchd.com <br /> htW://www.si2ov.orp-,/ehd/Programs/Others/unified.htm <br /> From: Dennis Bock [mailto:DBock@costco.com] <br /> Sent: Monday, February 28, 20119:49 AM <br /> To: Garrett Backus [EH] <br /> Cc: W038GAS; W038MGR- Michael Tajiri <br /> Subject: RE: Vent sump installation -Costco #38 - 1616 E Hammer Lane Stockton <br /> Garrett, <br /> I have attached a copy of the revised monitoring plan as requested. <br /> Thanks, Dennis Bock <br /> Compliance Manager <br /> Gasoline Operations Department <br /> Costco Wholesale Corp. <br /> 999 Lake Drive <br /> Issaquah, WA 98027 <br /> 425-427-7653t <br /> 2/28/2011 <br />