Laserfiche WebLink
Jin a � <br /> Summary of Gauging and Sampling Activities <br /> October 2004 through December 2004 <br /> 76 Station 5886 <br /> 2701 West March Lane <br /> Stockton, CA <br /> Project Coordinator. Shelby Lathrop Water Sampling Contractor TRC <br /> Telephone 916-558-7609 Compiled by Christina Carrillo <br /> Date(s) of Gauging/Sampling Event 11/23/04 <br /> Sample Points <br /> Groundwater wells 11 onsite, 9 offsite Wells gauged 16 Wells sampled 11 <br /> Purging method Diaphragm/submersible pump <br /> Purge water disposal Onyx/Rodeo Unit 100 <br /> Other Sample Points 0 Type n/a <br /> Liquid Phase Hydrocarbons LPH <br /> Wells with LPH 0 Maximum thickness (feet) n/a <br /> LPH removal frequency n/a Method n/a <br /> Treatment or disposal of water/LPH n/a <br /> H dro eolo is Parameters <br /> Depth to groundwater (below TOC) Minimum 5 feet Maximum 8.66 feet <br /> Average groundwater elevation (relative to available local datum) -6.35 feet <br /> Average change in groundwater elevation since previous event 0.46 feet <br /> Interpreted groundwater gradient and flow direction <br /> Current event 0.003 ft/ft, southwest <br /> Previous event 0.003 ft/ft, southwest (08/30/04) <br /> Selected Laboratory Results <br /> Wells with detected Benzene: 0 Wells above MCL (1 0 pg/1) n/a <br /> Maximum reported benzene concentration n/a <br /> Wells with TPH-G 1 Maximum 180 pg/I (MW-1) <br /> Wells with MTBE 7 Maximum 550 Ng/I (MW-1) <br /> Notes: <br /> MW-5D=Sampled Semi-Annually, MW-5S=Sampled Semi Annually, MW-7D=Sampled Semi- <br /> Annually, MW-7S=Sampled Semi-Annually, MW-8f=Monitored and Sampled Semi Annually, MW- <br /> 8S=Monitored and Sampled Semi Annually, MW-9D=Sampled Semi-Annually, MW-91=1VIonitored and <br /> Sampled Semi Annually, MW-9S=Monitored and Sampled Semi Annually, <br /> This report presents the results of groundwater monitoring and sampling activities performed by TRC Please contact the <br /> primary consultant for other specific information on this site <br />