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DRAFT Geosyntec Consultants <br /> Table 2 <br /> Soil Vapor Analytical Results-UST 817B <br /> Rough and Ready Island,Port of Stockton,CA <br /> N <br /> Depth ❑ = <br /> Location Date44 <br /> a� <br /> ft bgs µg/m3 <br /> LTCP Screening Levels' -- 280 3,600 -- -- 310 <br /> SVP-1 6/17/2019 5 210,000,000 74,000 14,000 J 16,000 20,000 J 3,500 J <29,000 <br /> DUP-01 6/17/2019 5 130,000,000 49,000 7,600 J 11,000 J 15,000 J 2,500 J <31,000 <br /> SVP-2 6/17/2019 5 96,000,000 <2,900 <3,100 <2,200 <4,900 <2,600 <33,000 <br /> SVP-3 6/17/2019 L_jj 3,700,000,000 2,300,000 860,000 1 340,000 J* 1 190,000 J 75,000 J I <780 000 <br /> Notes: <br /> 1 =LTCP Screening Levels for commercial receptors at sites with no bioattentuation zone(LTCP Appendix 4) <br /> <=non detected above reporting limit <br /> --=not applicable <br /> *=Laboratory Control Sample(LCS)or LCS Duplicate is outside acceptance limits <br /> gg/m3=micrograms per cubic meter <br /> BOLD=detected above reporting limit <br /> ft bgs=feet below ground surface <br /> LTCP=Low Threat Closure Policy <br /> J=Result is less than the reporting limit but greater than or equal to the method detection limit and the concentration is an approximate value <br /> TPH=total petroleum hydrocarbons <br /> UST=underground storage tank <br /> Page 1 of 1 <br />