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PUBLIC .HEALTH. SE"h." ICES �o <br /> SAN JOAQUIN COUNTY <br /> JOG[KHANNA M.D..M.P.H. <br /> Health Officer P <br /> P.O. Box 2009 • (1601 East Hazelton Avenue) a Stockton, California 95201 <br /> (209)468-3400 <br /> Memorandum <br /> Date: September 28, 1993 <br /> To: Jose Zepeda <br /> San.Joaquin County Public Works Department <br /> From: Mary Meays, Senior REHS <br /> San Joaquin County Environmental Health <br /> Re: 4491 West Durham Ferry Road, Tracy <br /> Encroachment Permits <br /> San Joaquin County Public Health Services,Environmental Health Division(PHS/EHD)has <br /> completed review of the Work Plan, Soil and Groundwater Investigation" dated September <br /> 15, 1993 and prepared by RESNA. PHS/EHD has approved the work plan which included: <br /> (6) 8" sail borings: 3 on site and 3 off site; <br /> 3� (4) 8" soil borings - converted into,monitoring wells- <br /> 1. on site and 3 off site; <br /> (3) 10" soil borings - converted into vapor extraction wells: <br /> 3 on site; and <br /> (1) 10" soil boring - converted into'an on site extraction well. <br /> The work is necessary, in order to proceed with the investigation of petroleum hydrocarbon <br /> contamination which resulted from leaking underground storage tanks. The off site work, <br /> consisting of six borings, is located in San Joaquin County easements; therefore, an <br /> encroachment permit from San Joaquin County Public Works will be necessary prior to <br /> PHS/EHD issuance of drilling permits. Please contact me at (209) 468-0337 if you require <br /> additional information. <br /> Post-lt'M brand fax transmittal memo 7671 #of pages ► <br /> ro w I i��� Fro F <br /> co. co. d6j^ <br /> r <br /> Dept. Phone 024-A, <br /> 4/0'033T <br /> /�-¢O3 3. <br /> i Ke(J <br /> Fax# �! <br />