Laserfiche WebLink
7 <br /> a66slle ' <br /> SEP 211989 <br /> ENVIRONMENTAL HEALTH <br /> September 19, 1989 PERMITISERVICES <br /> Mr, Gordon Boggs <br /> Regional Water Quality Control Board <br /> 3443 Routier <br /> Sacramento, CA 95827-3098 <br /> Re: Chevron SS#96465 <br /> North Pershing and Robin Hood <br /> Stockton, CA <br /> Dear Mr. Boggs: <br /> Enclosed we are forwarding the-'quarterly groundwater monitoring report3dated <br /> Weiss Associates for the above <br /> September I 1989 conducted b our consultant, <br /> Set Y <br /> p <br /> referenced site. As indicated in the report, a significant increase in contaminant i <br /> level has occurred in monitoring well MW-2. We have inspected our facilities and <br /> found no evidence of a recent leak. <br /> We are highly concerned about this jumpand have retained Dames and Moore to <br /> prepare a work plan for additional assessment work which will include installation <br /> of more groundwater monitoring wells. <br /> The data collected to date indicates that the groundwater table is dropping at a <br /> considerable rate and suggest that contaminant migration may be occurring in the <br /> it is urgent that we et a timet <br /> f 8 feet per day. Based on this information, g g Y <br /> order o 0. p <br /> turnaround on our work plan approval and well installation permitting. Information <br /> derived from the installation of these additional wells is needed to plan future <br />'f remediation efforts. <br /> If you have any questions or require additional information, please call John Randall <br /> is at (415) 842-9625. <br /> Very truly yours, <br /> C. G. Trimbach <br />! By <br /> J n4andall <br /> JMR/jt:X3-24 <br /> Enclosure <br /> cc: Diane Hinson, <br /> San Joaquin Local Health District <br /> P. O. Box 2009 <br /> f Stockton, CA 95201 <br /> r <br />