Laserfiche WebLink
Geobgicat Tech kc. <br />' 1 10 1 7'h street <br /> Modesto,California 95354 <br /> (209)522-4119/Fax(209)522-4227 <br /> f' <br /> 1 REPORT <br /> 1 Groundwater Monitoring <br /> 3rd Quarter 2003 <br />' Marci Property <br /> 2969 Loomis Road <br />' Stockton, CA <br /> Project No 770 2 <br />' November 19, 2003 <br /> EXECUTIVE SUMMARY <br /> 1 The site's eleven groundwater monitoring wells are sounded on a monthly basis and <br /> sampled on a quarterly schedule This report summarizes groundwater sounding events on <br /> July 22 and August 20, 2003, and the Yd Quarter 2003 monitoring event completed on <br />' September 18, 2003 <br />' The analytical results from groundwater samples indicate that diesel range petroleum <br /> hydrocarbons (TPH-D) are present in four of the site's eleven wells Well MW-5 continues <br /> to contain elevated concentrations of TPH-D although the concentrations continue to <br />' fluctuate since the start of the monitoring program i <br /> Depth to groundwater was measured three times during the first quarter of 2003 On July <br />' 22, 2003 gradient calculations show that groundwater flow in the water table wells was <br /> S33°E with a slope of 0 002 ft/ft The deeper aquifer groundwater flow was N78°E with a <br /> slope of 0 0011 ft/ft On August 20, 2003, the shallow aquifer flow was SWE with a slope <br />' of 0 002 ft/ft The deeper aquifer gradient could not be calculated for this sounding event <br /> due to the inaccessibility of well MW-105 On September 18, 2003, the shallow aquifer <br /> flow was S360E with a slope of 0 002 ft/ft and the deeper flow was SWE with a slope of <br /> 0 0014 ft/ft <br />