ARCHIVED REPORTS XR0001115 - Laserfiche WebLink

Home Browse Search

ARTESIAN ENV IRONM EN FAL CONSULTANTS 3 ' Date December 11, 1992 Quarterly Groundwater Monitoring IV Sampled November 16, 1992 1045 W Charter Way ' Stockton, California RECEIVEL; Project No 040-001 JAS ®'It fiNvP �� f � T 14 ' Prepared for Mr Dante John Nomellini, Esq ' Nomelhni Construction Company P O Box 1528 Stockton, California 95201 1 This report presents the results of the quarterly groundwater monitoring well sampling,performed on November 16, 1992 by Artesian Environmental Consultants ' (Artesian) at the subject site (Figures 1 and 2) The site history is summarized in Appendix A ' SITE DESCRIPTION The site is located at 1045 West Charter Way, in Stockton, Cahforma A site location ' map is presented in Figure 1 A site location map showing the location of the site structure and groundwater monitoring well location is presented in Figure 2 The property is located in an industrial area GROUNDWATER SAMPLING ' On November 16, 1992, Artesian staff measured depth to water, purged and sampled four groundwater monitoring wells designated MW-1 through MW-6 All groundwater samples were collected according to the Artesian standard operating procedures (SOP) for groundwater sampling included in Appendix A Free product measurements were made with an oil-water interface probe I All purged water was temporarily stored in three DOT 17-H, 55-gallon containers pending analytical results The groundwater samples were shipped under chain-of- custody to state-certified Chromalab, Inc of San Ramon, California IGROUNDWATER FLOW Figure 3 shows the potentiometnc surface of shallow groundwater based on depth-to- water measurements taken on November 16, 1992 The estimated groundwater gradient was 0 015 vertical feet per horizontal foot for the November, 1992 sampling event Groundwater-elevation data are presented in Table 1 The estimated groundwater flow direction at the site in November, 1992 was toward the northwest I