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Nov 1 5 1989 <br /> ENVIRONMENTAL !EALT'r; <br /> PERMIT/ER.'Ik- <br /> App/led GeoSystems . 4191-E-Pow r Inn Road, Sacramento, CA 95826 (916) 452-2901 <br /> FREMONT • COSTA MESA • SACRAMENTO • HOUSTON <br /> November 13, 1989 <br /> AGS 38053-2 <br /> Ms. Darlene Reuss <br /> San I.oaquin-Public.Health Services-Department,. <br /> P.O. Box 2009 <br /> Stockton, California 95201 <br /> Subject: Former Texaco Service Station, 9411' East Yosemite Avenue, Manteca, <br /> California. <br /> Ms. Reuss: <br /> With the authorization of Mr. Gary Brophy, we are requesting formal authorization to <br /> backfill the currently open excavation with the soil removed and stockpiled at the above- <br /> referenced site, as recommended in our Letter Report No. 38053-2 (dated October 26, <br /> 1989). <br /> After backfilling of the excavation is completed, we further request concurrence from your <br /> department to initiate a quarterly monitoring program recommended in our Preliminary <br /> Report No. 38053-1 (dated January 3, 1989) to asses concentrations of hydrocarbons in the <br /> ground water over a period of one year. If concentrations decrease over this period, we will <br /> reevaluate and possibly recommend terminating th monitoring program. If contaminant <br /> concentrations increase or remain above action levels recommended by the California <br /> Department of Health Services, active remediation may be warranted. Please call if you <br /> have any questions regarding this project. <br /> Sincerely, <br /> Applied GeoSystems <br /> Keith A. Romstad <br /> Project Geologist <br /> John B. Bobbitt <br /> R.G. 4313 <br /> cc: Gary Brophy <br /> s <br />