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' 3291 S.Highway 99 Page 5 <br /> Soil Boring Installation <br /> ' GPE Project 471.2 <br /> August 17,2007 <br /> • Volatile Organic Compounds by EPA method 8260 <br /> • Semi-Volatile Organic Compounds by EPA method 8270 <br /> ' The method detect limits and the complete list of individual chemicals tested <br /> are included in the laboratory data sheets in Appendix A. <br /> ' 2.2 Waste Disposal <br /> Soil Cuttings <br /> No soil cuttings were generated while drilling. Decontamination water was <br /> ' use to mix grout to fill the borings. There was therefore no waste generated <br /> during the field work. <br /> ' 2.3 Sample Analytical Results <br /> ' Soil Samples <br /> No detectable concentrations of any volatile or semi-volatile organic chemical <br /> were reported for either of the soil submitted samples. In addition to being <br /> potential contaminants, the 17 metals that were tested are also naturally <br /> occurring chemicals, and are commonly found in the environment at low <br /> concentrations. The following table summarizes the concentrations of the <br /> detected metals along with the primary cleanup goals established by the USEPA <br /> for contaminated industrial sites. <br /> ' F Contaminant B1-25 B2-25 PRG <br /> WBarium280 <br /> 1 Il 1.6 <br /> 0 380 670,000 <br /> 2 5.7 450 <br /> .6 3.3 1900 <br /> 5 3.0 4,100 <br /> 7 6.2 800 <br /> .2 2.2 5,100 <br /> Nickel 7.2 7.7 2,000 <br /> Vanadium 17 13 1,000 <br /> Zinc 83 160 10,000 <br /> ' Units in Kg mg/K9 mg/Kiz <br /> Concentrations reported as parts per million(mg/L) <br /> PRG=EPA Region IX Primary Remedial Goals for industrial sites <br /> 1 <br />' 2937 Veneman Avenue, Suite B240 Geo-Phase Environmental Inc. Phone: (209)569-0293 <br /> Modesto, Ca 95356 Fax: (209) 569-0295 <br />