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TANK PUMP ISLAND x <br /> EXCAVATION EXCAVATION z <br /> ap z <br /> oz N 3 a i <br /> �0 <br /> HARDING WAY <br /> LIMIT OF TPH <br /> SANDS ND a 1,000 PPM <br /> G�450 <br /> ND ND 8'70 SANDS & SILTS <br /> , <br /> — ND — — — — ND — G4000 ND <br /> 00 <br /> I{343 9. 3 TEX135. <br /> G1. BTEX ND —� <br /> 0.59 G630 <br /> ND CLAYS BTEX D99 <br /> G55 0.025 BTEX12.7 CLAYS & SILTS <br /> D2$ BTEX <br /> BTEX ND <br /> 40 0.21 3 32� G2.1 40 <br /> ND D-ND ND <br /> ND ND BTEX0.013 <br /> __ � PIEZOMETRIC SURFACE ND <br /> _ _ _ _ <br /> ND 7-19-94 <br /> D <br /> 1 <br /> 60 SANDS ND `� ND 60, € <br /> TD TD <br /> SANDS �- <br /> TD <br /> LEGEND <br /> s SAMPLE LOCATIONS CROSS — SECTION A—A' <br /> --- LITHOGRAPHIC CHANGE <br /> G= GAS .rrxomus <br /> D= DIESEL Dam <br /> i" I5' GF <br /> K= KEROSENE SEPT. 2 1994 <br /> BTEX BENZENE. TOLUENE. ETHYLBENZENE, XYLENES YELLOW SUBMARINE <br /> CONCENTRATIONS IN PPM 140 WEST HARDING WAY <br /> PETROLEUM HYDROCARBON - IMPACTED SOIL CONTOUR STOCKTON CALIFORNIA <br /> GEOLOGICAL AUDIT SERVICES. INC. <br /> 1603 NEST MARCH LANE. SUM A <br /> STOCKTON, CALIFORNIA 96207 FIGURE 4 <br /> L <br />