Laserfiche WebLink
C. <br /> 6ETTLER - RYANIN <br /> November 3, 2000 <br /> G-R Job#280047 <br /> Mr Nick Nickerson <br /> Unocal -DBG/AMG <br /> 8788 Elk Grove Boulevard <br /> Building 3, Suite 15 <br /> Elk Grove,California 95624 <br /> RE Third Quarter 2000 Groundwater Monitoring &Sampling Report <br /> Former Unocal Service Station#0123 <br /> 1034 Central Avenue <br /> Tracy,California <br /> Dear Mr Nickerson <br /> This report documents the quarterly groundwater monitoring and sampling event performed by Gettler-Ryan Inc <br /> (G-R) On September 29, 2000, field personnel monitored and sampled six wells (U-1 through U-6) at the above <br /> referenced site <br /> Static groundwater levels were measured and all wells were checked for the presence of separate-phase hydrocarbons <br /> Separate-phase hydrocarbons were not present in the wells Static water level data and groundwater elevations are <br /> summarized in Table 1 A Potentiometric Map is included as Figure 1 <br /> Groundwater samples were collected from the monitoring wells as specified by G-R Standard Operating Procedure <br /> -Groundwater Sampling(attached) The field data sheets are also attached The samples were analyzed by Sequoia <br /> Analytical Analytical results are summarized in Tables 1 through 4 A Concentration Map is included as Figure 2 <br /> The chain of custody document and laboratory analytical reports are also attached <br /> Sincerely, <br /> ,��R1=Doi <br /> Deanna L Harding �� G�.AS J Off, <br /> roject Coordinator <br /> No. 6882 <br /> Doug J e <br /> Senior Geo gist, R G No 6882 <br /> g FC <br /> Figure 1 Potentiometric Map <br /> Figure 2 Concentration Map <br /> Table 1 Groundwater Monitoring Data and Analytical Results <br /> Table 2 Groundwater Analytical Results <br /> Table 3 Groundwater Analytical Results-Oxygenate Compounds <br /> Table 4 Groundwater Analytical Resuiis(EPA Method 8010) <br /> Attachments Standard Operating Procedure- Groundwater Sampling Field Data Sheets <br /> Chain of Custody Document and Laboratory Analytical Reports <br /> 0123 qml <br /> 6747 Sierra Court , Suite J Dublin , California 94568 ( 925 ) 551 - 7555 <br />