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air <br /> CRYSTAL CREAMERY STOCKTON <br /> WKA N6. 1628.10 <br /> June 28, 2001 <br /> Page 2 <br /> 4 TPHg was_detected in samples from wells MWl, MW4 and MW5. BTEX was detected in MW4 Eli _ <br /> and MW5.�Samples from the other wells did not contain any TPHg or BTEX above the <br /> detection limit: Review of past data reveals no specific trend with regard to TPHg - <br /> concentrations in wells MW4 and MW5.- Concentrations of TPHg in well MW 1 have decreased <br /> significantly_since 1992,but have been relatively stable for the last two years.:.._ <br /> _ Low levels of MTBE were detected in--wells MW1 and MW3 and Tert-Butanol in MW1. <br /> Laboratorydata are summarized on Tables 2 and 3;-com complete laboratory results and chain of <br /> P ry _ _ <br /> - custody documents are included as Appended. <br /> The next groundwater monitoring and sampling event is scheduled for July 2000. Our report for = .N <br /> next quarter will be transmitted upon completion of laboratory testing. A comprehensive <br /> Remedial Action Plan is currently in preparation for this site, arid will be submitted to the <br /> ' 0- County shortly. _ :r <br /> The statements and conclusions in this report are based upon the scope of work described above <br /> and on,observations made on the date of our fieldwork on presented above. Our work was <br /> fi- - performed using a degree of skill consistent with that of competent environmental consulting. <br /> firms performing similar,work in the area. No recommendation is made as to the suitability of <br /> the property for any purpose. The result of our investigation does not preclude the possibility ' <br /> that materials currently, or in the future, defined as hazardous are present on the property. This = M <br /> report is applicable only to the investigated property and should not be used for any other " <br /> property. No warranty is expressed or implied:".- <br /> If you have any questions,please do not:hesitate to contact us. <br /> - _ g <br /> r <br /> _ ' Wallace'-Kuhl & cia , Inc. T _ <br /> .. . . <br /> 4 <br /> ERIC <br /> ¢ <br /> HUB ARDNo. 1733 <br /> _ s <br /> CERTIFIED <br /> - a NEE <br /> :Eric- ubbard E. x (P G 040 IST <br /> H . <br /> _-Senior Engineering Geologist_- _ _ 9�F o� ^{ <br /> C <br /> . Copy. to: Warren M. Hartzell, CVRWQCB <br /> -Steve Jerkins, Crystal Cream&Butter Company <br /> _ <br /> i62s.io-404WeiFrc mtQuwteiyReport5-0l.dac <br /> Y _ n <br /> WALLACE•KUML <br /> &ASSOCIATES INC. J <br />