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Table 4 <br /> PRE-AND POST-REMEDIATION SOIL ANALYTICAL DATA <br />' Ruiz Grocery Store <br /> 4491 West Durham Ferry Road <br /> Tracy,California <br /> PRE- POST- <br /> REMEDIATION REMEDIATION <br /> Pre-Remediation Confirmation <br /> Sample TPHg TPHg Sample <br /> Location mELka mg/kg_ No <br /> Base of S UST-10' >10,000 230 CB1-10' <br /> MW-2-15' 700 190 CBI-15' <br /> • Base of N UST-10' >10,000 <1 CB2-10' <br />' VW-3-15' 560 <1 CB2-15' <br /> NA 575* <1 CB3-10' <br /> NA 575* <1 CB3-15' <br /> lie NA 575* <1 CB4-10' <br /> MW-1-15' SPH** <1 CB4-15' <br /> Notes <br /> TPHg Total petroleum hydrocarbons as gasoline by EPA Method 8015 (modified) <br /> <### Not detected in concentrations exceeding the indicated detection limit <br /> mg/kg milligrams per kilogram <br /> * Estimated average pre-remediation TPHg soil contamination for indicated samples <br /> ** Separate-phase hydrocarbons were present on water table in MWA at 15' prior to remediation <br /> NA No directly comparable pre-remediation soil sample data exists for these areas <br /> Page 1 <br />