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Stantec <br /> UST and Line Removal Report <br /> ARCO Service Station No. 6080 <br /> March 15, 2011 <br /> 3.0 ANALYTICAL RESULTS <br /> 3.1 DISPENSER AND PRODUCT-LINE SOIL SAMPLE ANALYTICAL RESULTS <br /> The dispenser and product-line soil sample results are summarized in Table 1. Methanol was <br /> detected above the laboratory method reporting limit at a concentration of 0.17 milligrams per <br /> kilogram (mg/kg) from P-3-3.5. All other analytes were detected below the laboratory method <br /> reporting limit from the dispenser and produc-line soil samples (D-1-3.5, D-2-3.5, D-3-2.5, <br /> D-4-3, P-1-2.5, P-2-3, P-3-3.5, P-4-2, P-5-2, P-6-2, P-7-2.5, P-8-2, P-9-3, P-10-2.5, P-11-3, P- <br /> 12-2, and P-13-2). Copies of the certified analytical reports and COC documentation are <br /> included in Appendix B. <br /> 3.2 UST EXCAVATION SOIL SAMPLE ANALYTICAL RESULTS <br /> The UST excavation soil sample results are summarized in Table 1. All analytes were detected <br /> below the laboratory method reporting limit from the UST excavation soil samples (T87-A-12, <br /> T87-B-12, T-87-C-12, T89-A-12, T89-B-12, T89-C-12, T91-A-12, T91-B-12, T91-C-12, and <br /> V-1-3). Copies of the certified analytical reports and COC documentation are included in <br /> Appendix B. <br /> 3.3 STOCKPILE SOIL SAMPLE ANALYTICAL RESULTS <br /> The stockpile analytical results are summarized in Table 1. Lead was detected above the <br /> laboratory method reporting limit at a concentration of 10 mg/kg from SP-1(ABCD). All other <br /> analytes were detected below the laboratory method reporting limit from SP-1(ABCD). Copies <br /> of the certified analytical reports and COC documentation are included in Appendix B. <br /> 3.4 UST EXCAVATION DE-WATERING SAMPLE ANALYTICAL RESULTS <br /> The UST excavation de-watering analytical results are summarized in Table 2. All analytes <br /> were detected below the laboratory method reporting limit from the UST excavation de-watering <br /> sample (Baker Tank). Copies of the certified analytical reports and COC documentation are <br /> included in Appendix B. <br /> 4.0 WASTE DISPOSAL ACTIVITIES <br /> 4.1 RINSATE DISPOSAL <br /> A total of 900 gallons of non-hazardous tank rinsate water was transported off-site for treatment <br /> and disposal. An unknown total amount of groundwater was generated during the de-watering <br /> activities. The groundwater was transported by Belshire to an appropriate disposal facility. The <br /> waste water disposal documents are shown in Appendix C. <br /> 6080 UST and Line Removal Report.doc 4 <br />