Laserfiche WebLink
t <br /> Geological Technics Inc. <br /> ' 2741 River Road <br /> Modesto,Cadtfoma 95351 <br /> (209)538 6424/fax#538-5852 <br /> 1 <br /> REPORT <br /> 1 <br /> Groundwater Monitoring <br /> 3r`' Quarter 2000 <br /> Marci Property <br /> 2969 Loomis Road <br /> Stockton, CA <br /> Project No 770 2 <br /> September 18, 2000 <br /> EXECUTIVE SUMMARY <br /> ' This report summarizes the Summer Quarter 2000 round of groundwater monitoring and <br /> testing that took place on August 29, 2000 Three additional groundwater monitoring wells <br /> were installed at the site on August 21-22, 2000 The analytical results from the four existing <br /> and three new wells show that detectable concentrations of diesel range petroleum <br /> hydrocarbons are present in three of the wells BTEX and Lead were detected in five of the <br /> groundwater wells <br /> The average depth to groundwater at the site was 58 34 feet bgs Groundwater gradient <br /> calculations show that groundwater flow was S13°E with a slope of 0 0002 ft/ft The site has <br /> a history of variable groundwater direction <br /> 1.0 GROUNDWATER MONITORING <br /> 1.1 Hydrogeology of Site <br /> 1 The site exhibits a primarily clayey geology with minor sand layers/lenses, pebbles, black <br /> organics, and iron staining occasionally present The average groundwater elevation on <br /> August 28, 2000 averaged—33 62 feet below MSL <br />