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Wm. J. Hunter & Associates 2220 Lorna Vista Dr <br /> Registered Geologists - I Sacramento, CA 95825 <br /> . Petroleum & Mineral Appraisers (916) 972-7941 <br /> FAX (916) 972-1683 <br /> WORKPLAN ADDENDUM TO WORKPLAN DATED NOVEMBER 13 , 1995 , <br /> ADDITIONAL SOIL/GROUNDWATER INVESTIGATATION <br /> 2315 NO ELDORADO STREET, STOCKTON <br /> SITE CODE 2080 <br /> Prepared by <br /> Wm. J. Hunter & Associates <br /> February 14 , 1996 <br /> PURPOSE OF WORK <br /> Results of laboratory analyses of groundwater samples obtained <br /> from three (3) monitoring wells placed on the property in 1994 & <br /> 1995 indicate the possibility of an additional source of contami- <br /> nation caused by leakage from the dispensing pumps or product <br /> lines . <br /> Prior investigative work had indicated that the removed gasoline <br /> UST' s may have caused some of the soil and water contamination, <br /> although soil samples taken beneath the UST' s did not reveal any <br /> gasoline compounds Soil contamination was encountered at a <br /> shallower depth in MW-3 than in any of the four soil borings or <br /> . the two monitoring wells , it is the closest to the pump island. <br /> Groundwater contamination is present in all three monitoring <br /> wells, but is significantly higher in MW-3 , although it is not in <br /> a downgradient position These two factors, (shallow soil <br /> contamination & high levels of BTEX in the water, ) suggest that <br /> the pump island may be the ma]or source <br /> This workplan is for the purpose of investigating whether or not <br /> the dispensing pumps and/or product lines have contributed to the <br /> gasoline compounds found beneath the site, and attempt to deter- <br /> mine the limits of soil & groundwater contamination at the north- <br /> west, southwest, and southeast corners of the P AN�WUIN COUNTY <br /> PROPERTY LOCATION: ENVIRONMENTAL HEALTH DIVISION <br /> 304 E Weber Ave Third Floor <br /> 2 315 No. El Dorado Avenue, Stockton, CA P 0 Box 388, Stockton,CA 95201-0388 <br /> Phone. (209)488-3420 <br /> PROPERTY OWNER & CONTACT PERSON. <br /> Appro�r �ek <br /> ed <br /> Stephen Valentine, 6232 Hemet Ave <br /> 477-3471 . , St LdVAh gS- narks <br /> ❑Disapproved See Reaia—xs <br /> LEGAL DESCRIPTION: Remarks 1!2 f <br /> The property consists of approximately �" ^}� � � _ —, - <br /> the southwest corner of No El Dorado.,..1L;T_ <br /> . The Assessor' s parcel number is 125-10ft4a7 <br /> Approval of these plans extends only to that <br /> which is shown and dezcr gibed hereon bUt <br /> 1 does not authonze or approve any ort,,,s&on <br /> or deviation of requirements of State laws or <br /> Local Ordinances. <br />