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TABLE 2 <br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS <br /> King Island Resort <br /> Stockton, California <br /> Page 13 of 13 SII <br /> Well ID Well Depth to Groundwater TPHg TPHd Benzene Toluene Ethylbenzene Xylenes MTBE TBA TBA - MTBE Lead <br /> Screen interval in feet bas) Date Elevation Water Elevation ug/L ug/L ug/L ug/L ug/L ug/L ug/L u /L ratio " ug/L <br /> Trailer Park Domestic Well 04/27/11 - - - <50 - - - - - <0.5 <5.0 - - <br /> deep 11 /02/12 <50 - <0.5 <0.5 <0.5 <1 .0 <0.5 <5.0 - - <br /> 03/15/13 <50 - - - - - <0.5 ,- ' <5.0 ✓ - - <br /> 1W1 03/21/11 140 - <5.0 <5.0 5.7 <1 .0 340 3400 10.00 71 .0 <br /> 04/27/11 10.72 190 - <10 <10 -<10 <20 860 22,000 25.58 <1 .0 <br /> IW2 03/21/11 360 - <5.0 <5.0 6.3 11 11100 24,000 21 .82 <1 .0 <br /> 04/27/11 11 .03 350 - <25 <25 <25 <50 11200 66,000 55.00 <1 .0 <br /> IW-3 02/09/11 2600 - 25 5 170 370 840 3700 4.40 <1 .0 <br /> 03/21/11 600 - 5.6 <5.0 17 110 920 3600 3.91 <1 .0 <br /> 04/28/11 7.62 120 - 0.7 <0.5 <0.5 49 20 400 20.00 <1.0 <br /> NOTES: <br /> MTBE = Methyl tertiary butyl ether by EPA Method 8020 or 82608 <br /> BTEX = By EPA Method 8020, 8021 B, or 82608 <br /> TPHg = Total Petroleum Hydrocarbons as Gasoline by Modified EPA Method 8015M or 80156 <br /> TPHg = Total Petroleum Hydrocarbons as Diesel by Modified EPA Method 8015 <br /> ug/L = micrograms per liter <br /> < = Not Detected at or Above Stated Detection Limits <br /> = Chromatogram does not match diesel standard. <br /> = TBA - MTBE ratio derived by dividing TBA by MTBE. When less than (<) values occur, one-half the reporting limit value was used <br /> Not analyzed and/or measured <br /> ♦ = Unpreserved sample collected to evaluate potential acid-catalyzed hydrolysis effects <br /> Blank cell reflects data not readily available <br /> Starting 12-04-02, samples analyzed for fuel oxygenates by EPA Method 82606; including t-Butanol, Di-isopropyl ether, Ethyl-t-butyl ether, and t-Amyl methyl ether <br />