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FoMCr Raarnn Ctatron Nn 1 941 Q Ootoher 26 M05 <br /> Stockton California Groundwater Monitonn5z Repo <br /> 41 Recommendations <br /> • Horizon recommends continued quarterly monitoring during the remediation period <br /> Report Distribution <br /> We recommend a copy of this report be forwarded to <br /> Mr Michael Inf irna Jr , Senior R E H S <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue, Third Floor <br /> P O Box 388 - <br /> Stockton, California 95201-0388 <br /> Mr James L L Barton Mr Trung Nguyen <br /> Regional Water Quality Control Board 2350 Waterloo Road <br /> Central Valley Region Stockton, California 95205 <br /> 11020 Sun Center Drive, #200 <br /> Rancho Cordova, California 95670 <br /> If you have any questions, please contact Horizon at (916) 939-2170 e <br /> Sincerely, <br /> HO ZON ENVIRONMEN L INC. <br /> _ Gary D Barker �;�`�"'" � 'M ��` <br /> Senior Project Manager <br /> c�J REXFORD K SNiTri <br /> ` fro 58� 7 <br /> - -- - -- � Rexford Smith <br /> Professional Geologist No 5307 <br /> Attachments <br /> Figure 1 Site Vicinity Map - <br /> Figure 2 Site Map / Groundwater Contour Map <br /> Figure 3 Benzene Isoconcentration Map <br /> Figure 4 Site Remediation and Trenching Layout <br /> Figure 5 Process Flow Diagram <br /> Table 1 Groundwater Monitoring Data <br /> Table 2 Vapor Extraction Data <br /> • 419gmr Q305 <br /> Project No 1419 48 3 HORIZON ENVIRONMENTAL INC. <br />