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a <br /> I <br /> PUBLIC HEALTH SERVICES ' <br /> SAN JOAQUIN COUNTY r. <br /> ENVIRONMENTAL HEALTH DIVISION < <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue, Third Floor•Stockton, CA 95202 <br /> 209/468-3420 . <br /> FILE UOPY <br /> RUSSELL HULME <br /> PROFESSIONAL MAINTENANCE COMPANY INC AUG Q 2 1999 <br /> 899 PARK AVENUE <br /> SAN JOSE CA 95126 <br /> i <br /> i <br /> RE: 510-560 N. Main Street <br /> Manteca,CA i <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has <br /> reviewed pages from the Ninyo & Moore report"Project No. 400032-01" of which figure 2 is <br /> dated 8/98 for the above referenced site. The report states that three monitoring wells were <br /> observed in the southern portion of the property and that there was no documentation of well <br /> abandonment in the SJCEHD case file. The report recommends destruction of those <br /> monitoring wells. <br /> The PHS/EHD Local Oversight Program (LOP)file contains permits for destruction of two <br /> wells in September 1990 and six wells in March 1`994. Monitoring wells 1 and 3 were <br /> destroyed during excavation work in September 1990. Monitoring wells 2,4, 5, 6, 7 and 8 ` <br /> were destroyed by pressure grouting cement into the well casing and filling the christy box <br /> with the cement grout. Although the christy boxes with secured lids remain in.the southern <br /> portion of the site, there are no monitoring wells remaining. This information is also <br /> documented in the case closure summary that is in the PHS/EHD LOP file focthe site, which <br /> indicates that 8 monitoring wells were destroyed and that 0 remain. <br /> i <br /> PHS/EHD staff went to the site on July 27, 1999 to verify this information. The lids of the <br /> christy boxes have been welded to the rim of the box. MW8 was only welded in one spot so j <br /> the lid could be removed. PHS/EHD staff verified that there was cement inside the christy <br /> box. <br /> PHS/EHD appreciates Ninyo & Moore's concern for abandoned monitoring wells, but is sure <br /> that all monitoring wells at this site were properly destroyed under PHS/EHD permit and <br /> inspection. <br /> If you have any questions contact me at(209)468-3449. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division - <br /> J <br /> Margaret agorio,'Supervising REHS <br /> Site Mitigation Unit <br /> i - <br /> A Division of San Joaquin County Health Care Services <br />