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PUBLIC HEALTH SE 710ES <br /> SAN JOAQUIN COUNTY:I .� <br /> JOGI KHANNA M.D.,M.P.H. <br /> Health Officer <br /> P.O. Box 2009 . (1601 East Hazelton Avenue4�lFop�:P <br /> ) Stockton,CaliforniaCa]ifornia 95201 <br /> (209) 468-3400 <br /> April 9, 1990 i <br /> William H. Fisk, Jr. <br /> P.O. Box 814 <br /> Vernalis, CA 95385 ! <br /> RE: 30836 S. Airport Way IN REPLY REFER TO SITE CODE: 2419 <br /> Tracy i <br /> The Underground Storage Tank Pilot Program staff has received the <br /> soil results submitted to Public Healt3h Services, Environmental <br /> Health Division (PHS/EHD) on February 20, 1990. (Precision <br /> Analytical Laboratory, Inc. , Job No. 71309) '' <br /> i <br /> Continued re-excavation of contaminated soil has been proposed. <br /> However, due to the high levels of contamination reported in the <br /> soil samples collected during the firstaphase of soil removal (up <br /> to 5, 350 ppm TPH at 17. 5 feet) , and the ielatively shallow depth to <br /> groundwater at this site, a groundwater investigation will be <br /> necessary in order to adequately define the nature and extent of <br /> contamination. <br /> i <br /> For the above reasons, we will expect a Preliminary Report which <br /> incorporates the findings of the 11 rejexcavation sampling <br /> investigation by June 1, 1990. The Preliminary Report will be <br /> required in order for this office to evaluate any request for <br /> clean-up certification. <br /> f , <br /> If you have any questions, contact Harlan Knoll, RENS, of my staff, <br /> at (209) 468--3455. 1 <br /> Jogi Khanna, M.D. M.P.H. G <br /> O f r <br /> n , HS, Director � <br /> Environmental Health Division <br /> RV/HK:nr . l <br /> ! J <br /> .4 <br /> F <br /> 4 <br /> ! <br /> { <br /> II� I <br /> A Division of San Joaquin County Health Care Services, <br />