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-; 6 July 1999 <br /> AGE-NC Project No. 99-0604 <br /> Page 4 of 5 <br /> 3.5. EQUIPMENT DECONTAMINATION <br /> All sampling tools and brass sleeves used for sample collection were thoroughly rinsed with clean <br /> , <br /> water after .washing with a solution of Alconox. All Geoprobe rods were cleaned prior to <br /> ( advancement of each probe boring. ` <br /> 1,. 4.0. FINDINGS <br /> Subsurface soil compositions were determined by field descriptions and hydrocarbon-impact was <br /> inferred from the laboratory data. <br /> 4.1 SOIL PROFILE <br /> A brown to light brown, dry to moist, clayey silt was'encountered from surface grade to depths of <br /> approximately 30 feet bsg. <br /> 4.2 ANALYTICAL RESULTS OF SOIL SAMPLES <br /> A total of four soil samples were analyzed. All soil samples tested below the minimun detection <br /> limits for all analytes. Analytical results,of soil samples are summarized in Table 2. The laboratory <br /> report (Precision Enviro-Tech 'PE5380-01 through 04) and chain-of-custody are included in <br /> Appendix B. <br /> f ` <br /> j 5.0. SUMMARY/CONCLUSIONS = <br /> Based upon data collected on 15 June 1999, AGE concludes that the soil has not been impacted by <br /> petroleum hydrocarbons. - <br /> t <br /> 6.0. RECOMMENDATIONS <br /> Based upon data collected from the site, AGE does not recommend any further action or additional <br /> LW investigation for the former UST area at this site. AGE recommends site closure. <br /> i.. , <br /> r <br /> Advanced GeoEnvironmental, Inc. <br />