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11/14/2008 14:29 FAX 91637125An BZMAINT 12 002 <br />B.Z. Service Station Maintenance, Inc. <br />630 Houston Street -- F.O. Box 933 <br />West Sacramento, California 95691 <br />Phone (916) 371-2380 <br />Fax (916) 371-2540 <br />Lic. #433159 <br />November 13, 2008 <br />San Joaquin County Environmental <br />600 E. Main Street <br />Stockton, C.A. 95202 <br />Garrett Backus <br />Quick Stuff Chevron <br />10858 Trinity Parkway <br />Stockton., CA 95219 <br />Mr, Backus, <br />This letter is in response to and will hopefully clarify the many problems that BZ Service <br />Station Maintenance has encountered at the above listed site. The following is a <br />summary of all the issues. <br />According to the archive September 18, 2008 was the last archive, probably when the <br />nucleus was installed. This site needs to be cold started, T.L.S and reprogrammed. The <br />In -station Diagnostics (ISD) is not working probably due to bad programming, when <br />Dresser Wayne installed nucleus. The liquid I witnessed in U.D.C. wasn't even close <br />enough to set sensors. First the liquid was brine and has no vapor and it was only enough <br />to set off alarm except in the case of: <br />There may have been enough to set off alae -n if sensor was in that corner. But all <br />sensors are set in center of UDC not the lowest point. With that said it probably <br />still wasn't enough to set it off. <br />These sensors need about �/� inch of liquid. Pump will not do it. The dampness in the <br />UCD's was the brine that has been missing and seems to be coming from brine tubes and <br />reservoirs, not UCD's. However, cannot be ruled out yet. Will need to replace reservoir <br />and connectors, and then see if the problem reoccurs. <br />Diesel sump riser needs to be lowered X think by simply replacing 6" nipple with close <br />nipple, all will be accomplished as needed. Sump very clean. <br />Liquid found in 87 and 91 fill sump was rain water and not product. But I did see <br />evidence of brine leak in there as well, Will monitor it to see if problem exists. <br />Please note. Removed liquid and brine from UDC's and sump on November 7, 2008. <br />Will need to finish checking site after permit is applied and approved. <br />