Laserfiche WebLink
Second Semi-Annual Groundwater Monitoring Report - Third Quarter 2017 <br />Former Chevron Service Station No. 94054 <br />December 12, 2017 <br />5.1.2 Trends <br />Groundwater elevations decreased this quarter compared to the previous monitoring and <br />sampling event and are within the historical range at the site. TPH-GRO concentrations have <br />decreased compared to last quarter. In general, groundwater concentrations indicate stable to <br />decreasing concentration trends across the Site. <br />5.1.3 Plume Stability <br />The plume is considered stable and is decreasing in size laterally. <br />5.2 RECOMMENDATIONS <br />Gettler-Ryan will perform the next monitoring and sampling event during the first quarter of 2017. <br />Stantec is planning the installation of additional A-Zone and B-Zone wells, as approved by the <br />California Regional Water Quality Control Board - Central Valley Region in a letter dated <br />November 3, 2016. Off-site access has not yet been established. <br />CO Stantec <br />5