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I AH' - 4 <br /> ANALYTICAL RESULTS: SOIL SAMPLES AND SOIL BORINGS FROM TANK EXCAVATION <br /> 1399 EAST YOSEUrM,UANTECA,CALIFORNIA <br /> (All results in parts-per-million) <br /> Sample ID/ Depth (Feet Ethyl- TPPH as Ethylene 1,2-dichloro- <br /> Boring No. Below Grade) Benzene Toluene benzene Xylenes Gasoline Dlbromide ethane <br /> 10KN 15 <br /> < 0.006 < 0.007 < « « <br /> 10KS 15 0.7 27.0 26.0 150.0 2,200.0 << << <br /> 8KN 15 0.5 6.9 17.0 80.0 1,400.00 << << <br /> SKS 15 <0.01 0.01 <0.01 0.04 3.0 << <br /> 6KN 15 <0.05 0.13 1.5 5.9 240.0 <br /> 6KS 15 < < < 0.008 < « « <br /> B-1 15 6.0 140.0 100.0 520.0 7,300.0 << <br /> B-2 15 5.0 85.0 75.0 370.0 5,500.0 << << <br /> B-3 15 1.0 1 23.0 1 31.0 1 180.0 2,700.0 << « <br /> NOTES:. < = Below detection limits per"Tri-Regional Board Staff Recommendationsfor Preliminary Evaluation and Investigation of UndergroundTank Sites <br /> (August 10,1990)Practical Quantitation Reporting limits(for soil)(P0C for BTEX-0.005pp n,TPH-a9 gasoline=1:0ppm).- <br /> <c = Below indicated detection limits. <br /> TPPH = Total purgeable petroleum hydrocarbons. <br /> IAegis Envlronmenlal.IM. <br /> Y` - Oclo4er 1,1997 - <br /> 4 <br />