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Diamond Lumber-Lodi Quarterly Groundwater Monitoring Page 7 <br /> 7.0 REGULATORY SITE VISITS <br /> Ms. Margaret Lagorio, Senior REHS with San Joaquin County PHS/EHD, was present during a <br /> portion of the groundwater sampling event, and inspected the temperature of the blue ice units in <br /> the sample cooler. Ms. Lagorio stated that the temperature was adequate. Ms. Lagorio was <br /> reviewing the April 1992 during the site visit. It should be noted that comments made by the San <br /> Joaquin County PHS/EHD regarding the April 1992 Quarterly Monitoring event were received by <br /> SRK after the September 1992 sampling event. <br /> $A INVENTORY OF DRUMMED MATERIALS <br /> During the quarterly monitoring event on September 1, 1992, an inventory was taken of all drummed <br /> soil cuttings and purged water resulting from the installation of monitoring wells/borings and <br /> groundwater sampling events respectively. Currently there are 13 55-gallon drums on-site resulting <br /> from SRK's subsurface soil and groundwater investigation. The 13 drums generated during SRK's <br /> investigations are composed of 1 partially full drum of water purged during groundwater sampling <br /> events and 12 drums of soil. <br /> Table 3 contains a list of where the drummed materials are located in relation to monitoring wells <br /> and soil borings. <br /> TABLE 3: Drummed Materials Generated from On-Site Monitoring Well Installations <br /> and Groundwater Sampling (September 1992) <br /> bo <br /> ltdntltY.. t41n3 13 # <br /> SRK - MWt 3 55-gallon drums of soil <br /> I 55-gallon drum of water <br /> SRK - MW2 G 55-gallon drums of soil <br /> SRK - MW3 3 55-gallon drums of soil <br /> During the August 1992 quarterly sampling event, the contents of each drum was carefully labelled <br /> 1 on the outside of each drum. Analytical soil and groundwater information was included on the drum <br /> label. <br /> 9-0 SUMMARY OF FINDINGS <br /> Analytical groundwater samples were not collected from monitoring well SRK-MW2 because there <br /> was an insufficient quantity of water resulting from slow recharge after one casing volume was purged. <br /> Analytical groundwater samples were collected from monitoring wells SRK-MW1 and SRK-MW3. <br /> 7777. 7- Steffen Robertson and Kirsten <br />