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TABLE 1 <br /> PROPOSED BORING OBJECTIVES <br /> TRACY PUMP STATION <br /> Tracy,San Joaquin County,California <br /> Target Proposed Nater <br /> Boring Area of Sample Sample, Depth RA Quality <br /> ID Investi ation/Pur ose Media feet b rs) (feet b rs) Sam lle' yestin r <br /> On site at APN 209-190-06,define vertical groundwater extent on site and down 25+and <br /> A ;:II��� 45 No 1'cs <br /> gradient of of former large AST. 40+ <br /> 13 Define lateral extent east of APN 209-190-17;SB-15 and SB-16. S,L!kv 13+ 2; 1'cs No <br /> c Define lateral extent east of APN 209-190-17;SB-16 and SB-17. s gw J."i 25 Ycs No <br /> Define lateral extent east of APN 209-190-17 and SB-17,SB-18,and SB-3.Fuel- <br /> 1 fingerprint sample to be taken to evaluate source ofTPHg previously reported. sig�� I 25 Yes <br /> 1'cs <br /> I'. Define lateral extent east of APN 209-190-17 and SB-18. s/gw I.; 25 Yc,� No <br /> P Defines lateral extent east of APN 209-190-17 down gradient of SB-60 and SB-61. s/gN,a 111; 20 Yc,� Ni <br /> ci I)clines lateral extent east of APN 209-190-17 down gradient of SB-60 and S11-0 1. s/gw 10f 20 Ycs No <br /> Abbreviations: <br /> APN=Assessor's parcel number <br /> AST=Above-ground storage tank <br /> bgs=Below ground surface <br /> ID=Identification <br /> RA=Risk Assessment <br /> SB=Soil boring <br /> s/gw=Soil and groundwater samples <br /> s/Hgw=Soil and Hydropunch groundwater sample(planned depth in feet below surface grade) <br /> TPHg=Total petroleum hydrocarbons quantified as gasoline <br /> Notes: <br /> I. Target soil-sample depth based on previously identified zone of contamination. <br /> 2. Maximum depth explored may vary in field. <br /> 3. Soil samples for RA to be collected from 0 to 10 feet bgs. <br /> g�lt� <br /> Page 1 Of I From Science to Solutions <br />