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PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY <br /> OGl K14ANNA MD,M.P.H. <br /> Health Officer <br /> P.O.Box 2009 . (1601 East Hazelton Avenue) 6 Stockton,Cellfornia 93201 <br /> (209)468.3400 <br /> January S, 1990 RECEIVED <br /> EnvhotirK�eyr E praeanng <br /> Exxon U.S.A. <br /> Kevin Huter JAN 51990 <br /> P.A. box 4415 <br /> Hcuaton TX 77210 <br /> M Rxxon U.S.A. R/S 07-1050 IN kUvPLY RVI ER TM site Code 2111 <br /> 909 W.Hammar Lana <br /> Stockton, CA 98210 <br /> :: . 'lease be advisee! that this office hags reviewed the above ,Report of <br /> InvactigAtion doll and Ground Water Aasoaaament and Final Remadiation plan" dated <br /> Au9ut;t 25r 7.989. in order to support your oonoultanve recommendation for <br /> periodic monitoring of the groundwater, the following consideration should be <br /> addressed. <br /> �. 1. The monitoring wallas which are currently dry Cannot provide <br /> groundwater si�pnitcring. Thaaa wells should be replaced with new, <br /> f walla to enable continued evaluation of the groundwater quality and. <br /> i provide data for the gradient verification. (sea CRWgca comments) <br /> i The dry monitoring wells may be converted for usage in. a vapor <br /> extraction oystam (vEsB) as is suggeatsd in the attached comment <br /> tetter. .from CVRWgcs. Contaot Air Pollution Control District for <br /> VES permit requirements. <br /> This aoncarn and those expressed in the CVAitTQCB'■ .letter as well as data <br /> supporting the, conclusion from the above referenced reeport. shall be Pressented <br /> in A revised Problem Asosasment Report (PAR) submitted to San aoaquin County <br /> Environraentai Health Division and the Regional water Quality.Control Soars for <br /> i Concurrent ravkew no letter than February. 28, 1990.. <br /> If you have any Questions, please contact Greg Lyon, M. of my ataff at (209) <br /> 468-3450. t <br /> , <br /> _ _. ,.... __ oq Khanna :Alta;; MPH <br /> Health Offs r <br /> f i oti, Di fact <br /> Enviroemantai Health DivisiasY <br /> RV/GL1nr. .. <br /> Eric. . <br /> I CCr RWCQ». <br /> Neumiller & ileardslea c/o Brooke K. Sirkie <br /> t <br /> A Division of Stn Joegusn county Halsh c,re Services <br /> r <br />