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Table 3 <br /> Liquid Surface Elevation Data <br /> South Shore Parcels- Parcel 2A and Adjacent Areas <br /> West Weber Avenue and North Lincoln Street <br /> Stockton, California <br /> Elevation of Depth to Water Depth to SPH Groundwater Separate Phase <br /> TOC From TOC From TOC Elevation Hydrocarbon <br /> Name Date (feet MSL) (feet) (feet) (feet MSL) (Thickness in Feet) <br /> Mormon Slough <br /> MS(cont.) 5/23/05 10.06 --- 1.78 --- <br /> 8/24/05 8.37 --- 3.47 --- <br /> 11/14/05 10.90 --- 0.94 --- <br /> 2/13/06 9.89 --- 1.95 --- <br /> 5/15/06 9.55 --- 2.29 --- <br /> 8/14/06 9.54 --- 2.30 --- <br /> 11/14/06 8.18 --- 3.66 --- <br /> 2/5/07 9.20 --- 2.64 --- <br /> 5/7/07 7.85 --- 3.99 --- <br /> 7/3/07 8.32 --- 3.52 --- <br /> 10/8/07 11.32 --- 0.52 --- <br /> 1/21/08 <br /> -- <br /> 1/21/08 10.22 --- 1.62 --- <br /> 4/21/08 9.67 --- 2.17 --- <br /> 7/21/08 8.55 --- 3.29 --- <br /> 10/20/08 8.91 --- 2.93 --- <br /> 1/19/09 8.52 --- 3.32 --- <br /> 4/20/09 10.98 --- 0.86 --- <br /> 7/27/09 7.25 --- 4.59 --- <br /> 10/19/09 NM --- NM --- <br /> 1/18/10 8.21 --- 3.63 --- <br /> 4/19/10 8.36 --- 3.48 --- <br /> 7/19/10 10.36 --- 1.48 --- <br /> 10/18/10 10.41 --- 1.43 --- <br /> 1/24/11 8.51 --- 3.33 --- <br /> 4/18/11 9.50 --- 2.34 --- <br /> 7/18/11 9.58 --- 2.26 --- <br /> 10/17/11 8.80 --- 3.04 --- <br /> 1/17/12 8.98 --- 2.86 --- <br /> 4/16/12 10.55 --- 1.29 --- <br /> 7/16/12 9.50 --- 2.34 --- <br /> 10/15/12 10.01 <br /> Explanations: <br /> TOC=Top of Casing SPH=Separate-Phase Hydrocarbons <br /> MSL=Mean Sea Level MTS=Mobile Treatment System <br /> NM=Not measured ---=Not Applicable <br /> MS=Mormon Slough Survey Point <br /> 1 MW-5,MW-10,and MW-11 were damaged and could not be sampled in May 2002. <br /> 2 Thickness of SPH not recorded at 2AMW-14 due to coating of probe with product(Clayton Group Services, Quarterly Monitoring <br /> Report and Annual Report,February 1,2003);therefore depth to liquid elevation was not corrected for the presence of SPH. <br /> 3 Well gauged prior to the first quarter 2003 monitoring event before commencement of dual-phase extraction by MTS. <br /> ° SPH was too thick to read DTW. <br /> 5 Unable to measure DTW; SPH thickness greater than length of bailer(3 feet in length). <br /> 6 Unable to measure DTW due to emulsified SPH. <br /> Well buried due to grading associated with construction. <br /> 3 Well sampled and gauged,but not applicable to report because well was destroyed and reinstalled and needs to be <br /> resurveyed,well gauging data not applicable. <br /> 9 Well converted to flush mount and resurveyed by Morrow Surveying on 12/5/06 <br /> 10 Well resurveyed by Morrow Surveying on 12/5/05 <br /> 11 Sheen detected after purge <br /> Stantec <br /> 20120924-Parcel2A(Tables 1,3)Historical Water Levels 4Q12.xlsx Page 49 of 50 <br />