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I �- Geological Technics Inch.W Page 5 Former Moresco Property Soil Boring Report Project No. 251.2 May 12,1995 Summary Table 1 Soil Analytical Data April 5-7, & 21, 1995 Boring depth Benzene Toluene Ethylbenzene Xylene TPH-Gasoline µ /k Ag 4g/kg4g/kg µgAs mg/kg SB-1 19.5-20.0' 10400 139.000 42100 228000 1680 SB-1 24.5-25.0' 953000 551.000 133000 681000 6070 SB-1 29.5-30.0' 549 1180 <300 2360 17 SB-1 34.5-35.0' 3760 25090 9480 52039 398 SB-1 39.5-40.0' 23 56 8 53 1 SB-1 44.5-45.0' 16 43 6 29 1 SB-1 49.5-50.0' 6 1 ND(<3) 11 ND(<l) ,.r SB-1 54.5-55.0' 35 13 ND(<3) 14 ND(<l) SB-1 59.5-60A' 505 464 <150 223 3 SB-1A 59.5-60.0' 200 130 8 74 580 SB-1A 69.5-70.0' ND(<3) ND(<3) ND(<3) ND(<3) ND(<1) SB-1A 79.5-80.0' ND(<3) ND(<3) ND(<3) ND(<3) ND(<1) SB-1A 89.5-90.0' ND(<3) ND(<3) ND(<3) ND(<3) ND(<1) SB-1A 99.5-100.0' ND(<3) ND(<3) ND(<3) ND(<3) ND(<1) SB-2 29.5-30.0' ND(<3) ND(<3) ND(<3) ND(<3) ND(<1) SB-2 49.5-50.0' ND(<3) ND(<3) ND(<3) ND(<3) ND(<1) SB-3 295-30.0' ND(<3) ND(<3) ND(<3) ND(<3) ND(<1) SB-3 49.5-50.0' ND(<3) ND(<3) ND(<3) ND(<3) ND(<1) SB-4 19.5-20.0' ND(<3) ND(<3) ND(<3) ND(<3) ND(<l) SB-4 29.5-30.0' 59 11 ND(<3) 31 ND(<l) SB-4 49.5-50.0' 251 68 ND(<3) 61 2 SB-4 59.5-60.0' 11 9 ND(<3) ND(<3) ND(<1) S13-4 69.5-70.0' ND(<3) ND(<3) ND(<3) ND(<3) ND(<1) SB-4 995-100.0' ND(<3) ND(<3) ND(<3) ND(<3) ND(<1) ND=non detect (detection limits are in parentheses) V 5.0 CONCLUSIONS AND RECOMMENDATIONS 5.1 Conclusions The data obtained during this investigation suggest that the release of petroleum hydrocarbons sourced from a former leaking UST has impacted the subsurface environment near the former leaking UST. 5.2 Recommendations The issue of the remaining contaminants and their disposition will need to be addressed. Based on the analytical data and geological factors and depth to groundwater we do not believe that a groundwater investigation is warranted at V V