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Joel Haack <br /> January 6, 2023 <br /> Page 17 <br /> Table 1 <br /> Sample Depth(ft bgs) Soil Designation Arsenic(mg/kg) Cadmium(mg/kg) Lead(mg/kg) <br /> B-1 0.5 Fill 27 <1 66.1 <br /> B-11 3 Native 8.82 <1 331 <br /> B-14 3 Fill 20.6 <1 54 <br /> B-15 3 Fill 28.2 1.09 947 <br /> B-19 3 Fill 33.5 1.32 153 <br /> B-21 3 Fill 29.8 <1 439 <br /> B-24 5 Fill 26.3 <1 43.6 <br /> B-25 2.5 Fill 20.5 <1 37.1 <br /> B-41 2.5 Fill 13 2.04 26 <br /> B-56 3 Fill 42.9 1.26 64.9 <br /> Method A Cleanup level for unrestricted use 20 2 250 <br /> Bold—Indicates that analyte exceeds the Method A cleanup level for unrestricted use. <br /> <-indicates that the analyte was not detected above the method detection limit. <br /> mg/kg=milligrams per kilogram <br /> Table 2 <br /> Excavation Excavation total depth Soil removed Confirmation sample locations <br /> (feet bgs) (tons) (sample location—sample depth) <br /> Area 1(Figure 5) 1.5—north end 70 Four sidewall—0.5 feet bgs <br /> 2.5—south end Three bottom—1.5 and 2.5 feet bgs. <br /> Area 2 (Figure 6) 4—southeast and 165 Six sidewall—3 feet bgs <br /> northwest corners Six bottom—4 and 5 feet bgs <br /> 5—southwest and <br /> northeast corners <br /> Area 3(Figure 7) 4 270 14 Sidewall—3 feet bgs <br /> Six bottom—4 feet bgs <br /> Area 4(Figure 8) 3.5—northwest corner 165 Seven sidewall—2.5 feet bgs <br /> 4.5—southwest corner Western half, 5 feet bgs eastern half <br /> 6—east half Five bottom -3.5,4.5,and 6 feet <br /> bgs <br /> Area 5 (Figure 9) 3.5 66 Four sidewall—2.5 feet bgs <br /> Two bottom—3.5 feet bgs <br /> Area 6(Figure 10) 4 69 Five sidewall—3 feet bgs <br /> Two bottom—4 feet bgs <br />