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' December 5,2005 <br /> NOA Project Number: E05132C <br /> Based on information reviewed during the Phase I for a nearby remediation case,'it appears that the <br /> average regional groundwater flow direction in the vicinity of the subject property is to the south. <br /> 2.0 WORKPLAN, PERMITS,AND SAFETY <br /> Prior to start of work, a workplan was submitted to and approved by the EHD, and the necessary <br /> drilling permit was obtained (permit#44786). A brief"tailgate safety meeting" was conducted to <br /> inform the field crew of anticipated hazards and the emergency action plan for the site. On-site <br /> workers used Level D personal protective equipment. <br /> 3.0 SOIL SURFACE INVESTIGATION <br /> ' 3.1 Sample Locations and Collection Methods <br /> Surface samples (0 to 6" depth) were collected from seven discrete locations (S-3 through S-9) <br /> across the agricultural portion of the property, one location (S-1)where staining was observed <br /> within the barn, and one location (S-2) near the water well. One sample (5-10) was collected by <br /> ' field-compositing surface samples from the four sides of the existing residence. The sample <br /> locations are depicted on Plate 2. <br /> ' The samples were collected directly into stainless steel sampling tubes,which were sealed with <br /> aluminum foil and capped. The samples were immediately labeled,placed on ice, and transported <br /> under chain of custody to DHS-certified Argon Laboratories in Ceres, California. <br /> ' 3.2 Sample Analysis Methods <br /> Nine of the surface samples collected were analyzed for organochlorine pesticides by EPA Method <br /> 8081A. Select samples were analyzed for ICP Metals by EPA Method 6010B and Mercury by EPA <br /> Method 7471A; five additional samples were analyzed for arsenic by EPA Method 6010B. Sample <br /> S-10 was analyzed for total lead by EPA Method 7420. One sample from an apparent stained area <br /> (S-1)was analyzed for Total Extractable Petroleum Hydrocarbons (TEPH) by EPA Method 8015M. <br /> ' 3.3 Analytical Results <br /> In sample S-1, analyzed for total extractable petroleum hydrocarbons,no diesel or motor oil were <br /> detected above the laboratory reporting limits. <br /> The results of the analysis of the surface soil samples for organochlorine pesticides (Appendix) are <br /> ' presented in the following table: <br /> 6Dudek&Associates,Inc.,2005,Semi-Annual Groundwater Monitoring and Performance Monitoring,Marley <br /> Cooling Technologies Remedial Wellfreld,Stockton,Califomia. <br /> 4 "404 <br />