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d <br /> CAA� BRIA <br /> Last quarter we recommended a reduction in the sampling frequency of selected wells. Many of <br /> the wells at this site have historically had low or non-detectable levels of gasoline constituents. <br /> Quarterly sampling of these wells is not warranted. We recommend that wells MW-2, MW-3, <br /> MW-5A, MW-513, and MW-6B be sampled annually in the second quarter of each year. We will <br /> implement this change in sampling frequency once we have received approval from SJCPHS. <br /> We recommend that water level measurements in all site wells continue on a quarterly basis. <br /> CLOSING <br /> If you have any question regarding the contents of the document, please call Joe Neely at <br /> (707)933-2361. <br /> Sincerely, <br /> Cambria Environmental Technology, Inc <br /> Susan Lukaszewicz <br /> Staff Geologist <br /> D GEpl <br /> W. <br /> OG'i <br /> Joe W. Neely,RG <br /> Senior Project Geologist ° No.6927 ° <br /> RE 6927 <br /> q�OF rA�.1rO�r' <br /> Attachments: <br /> Figure 1. Area Well Survey Map <br /> Figure 2. Groundwater Elevation Contour Map—Deep Groundwater Zone <br /> Figure 3. Groundwater Elevation Contour Map—Shallow Groundwater Zone <br /> Appendix A.Blaine Groundwater Monitoring Report and Field Notes <br /> cc: Karen Petryna, Shell Oil Products US, P.O. Box 7869 Burbank, CA 91510-7869 <br /> Marcus Pierce,RcV QCi3 3443 Rouder Road, Sacramenio, CA 95827-3098 <br /> Robert G. den Dulk, 2412 Avenue 360, Kingsburg, CA 93631 <br /> i Dale Ramey, City of Ripon, 259 North Wilma Avenue,Ripon,CA 95366 <br /> Michele Dias,Herum, Crabtree,Brown 2291 West March Lane, B100, Stockton, CA 95207 <br /> 0324 3 <br />