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Wm. J. Hunter & Associates 2220.Loma Vista Dr. <br /> Registered Geologists r<_;=s, L i i �elf <br /> F ,1 , i�, Sacramento, CA 95825 <br /> Petroleum& Mineral Appraisers (916) 972-7941 <br /> J ES 27 PM 1: 36 FAX (916) 972-1683 <br /> January 31, 1995 <br /> Margaret Lagorio, Sr. REBS <br /> San Joaquin County PHS <br /> Environmental Health Division <br /> 445 No. San Joaquin Street <br /> Stockton, CA 95202 <br /> Ref: 2825 W. Washington Blvd, Stockton - Riverside Cement Co. <br /> Dear Margaret; <br /> We have enclosed a report titled "Final Report & Request for Site <br /> Closure" covering the results of groundwater monitoring recently <br /> completed at the above site. <br /> A groundwater monitoring well was completed on the site on <br /> November 18, 1994; developing and sampling was done on November <br /> 21 by Del-Tech Geotechnical Support Services under the super- <br /> vision of the Environmental Health Division. Laboratory analysis <br /> of both soil and water samples taken during placement of the well <br /> were below detection limits as shown on tables V & VI. <br /> Confirmation sampling of the well was done again on December 21 <br /> by Del-Tech as detailed on their field report included as exhibit <br /> R. However, due to a clerical error at FGL laboratory, the water <br /> sample was not run within the specified holding period. The well <br /> was again sampled by Del-Tech on January 23, 1995; laboratory <br /> results again showed that all tested substances were below <br /> detection limits; (Table VII & exhibit P. ) <br /> We have included copies of all documentation covering work done <br /> on this site beginning with the removal of the UST. If anything <br /> is missing, please give us a call. We have not forwarded a copy <br /> of the report to the RWQCB, but will do so if requested. <br /> Since all contamination has been removed from the site, and the <br /> groundwater has been shown not be impacted, we believe that no <br /> further work is required, and request that the monitoring well be <br /> properly destr yea and the site closed. <br /> SincqEn3e9 <br /> Wm. r & Associates <br /> cc: Kulesza <br />