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r <br /> � o <br /> MAR 2 4 1989 Shell Oil Company <br /> March 22 1989 EAST BAY P.O. Box 4023 <br /> EiVVki �� ., :iv .a� MARKETING DISTRICT <br /> PERMIT 1 SERV',CES Concord,CA 94524 <br /> San Joaquin COuntY (415)676-1414 <br /> Environmental Health Division <br /> San Joaquin Local Health District <br /> 1601 East Hazelton Ave . <br /> Stockton, CA 55201 <br /> Attn: Ms . Kasey Foley <br /> Subject: Authorization for underground site assessment at <br /> 3725 Tracy Blvd. , Tracy, CA <br /> This will confirm our earlier telephone conversation during <br /> which you informed me that there had been an underground tank <br /> or product line leak at this location. A file search of our <br /> records indicates that contamination may yet exist on site. <br /> It appears that a cursory (by today' s standards ) site <br /> assessment was performed and soil and groundwater samples <br /> were analyzed. The results of the analysis are expressed in <br /> a manner unfamiliar to me but do seem to indicate the <br /> presence of contamination. <br /> We believe that a more thorough site assessment and sample <br /> analysis should be performed in an effort to better establish <br /> the degree and extent of any contamination. <br /> Recent conversation with Delta Environmental Consultants , <br /> Inc. , (Delta) indicates that Delta has had a proposed work <br /> plan, for the more extensive site investigation, submitted to <br /> your division for several weeks . Should there be some <br /> problem with the proposed work plan, please feel free to <br /> convey any requirements which you may have. The site <br /> investigation is very important as the first step in our <br /> efforts to remediate any existing contamination and will be <br /> used to develop a remediation work plan after we have defined <br /> the scope of work required. <br /> We hope that you will soon be in a position to address this <br /> issue as we are anxious to expedite further site <br /> investigation and, if required, remediation. <br /> f <br /> A. e. 19a <br /> D. L. Robinson <br /> Sr. District Engineer <br /> cc : U.M. Lundquist - Health Safety & Environmental <br /> Engineering <br /> Clarke H. Owen - Delta Environmental Consultants, Inc. <br /> 11030 White Rock Rd. <br /> Rancho Cordova, CA 95201 <br />