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r � <br /> AA <br /> EAST WEST <br /> ESTIMATE➢ EXTENT OF WE DITCH <br /> ' <br /> NSB-1 NSB-2 IMPACTED SOIL <br /> DPI/DP-2 <br /> 0 <br /> RPH - <1 <br /> ' <br /> b NSB/-1 r = D31 <br /> TRPH - <1 - 8.8 B. <br /> Cr - 32 <br /> Pb 10 <br /> Zn - 32 <br /> ' 10 MPH -100 _B IO <br /> Cr - 29 RPH - 2,479 <br /> Pb - 4 - 53 <br /> NSB-2 AND DP-2 PROJECTED b - 31 <br /> 7 <br /> 5 FEET NORTH. - <br /> t DSI PROJECTED 10 FEET SOUTH. <br /> UPl PROJECTED 20 FEET NORTH. O - <br /> MP H - <1 <br /> Cr 54 <br /> Pb - 7.5 <br /> ' 20' 20' <br /> B <br /> TRPH <I , <br /> ' <br /> Pb - 30 <br /> - 5.3 <br /> 30' 30 <br /> 40 40' <br /> t <br /> ' 50. 50' <br /> t <br /> LE-EQ <br /> OSI-2 SAMPLE DESIGNATION AND DEPTH <br /> TRPH TOTAL RECOVERABLE PETROLEUM HYDROCARBONS <br /> Cr CHROME CONCENTRATION <br /> Pb LEAD CONCENTRATION <br /> ' Zn ZINC CONCENTRATION <br /> • SAMPLE LOCATION <br /> 1 TOTAL DEPTH OF BORING <br /> CONCENTRATIONS IN MILLIGRAMS PER KILOGRAM <br /> SCALE <br /> 0 25 0 <br /> ' VERTICAL SCALE AS SHOWN <br /> FEET <br /> ' CROSS SECTION - TRPH AND METALS IMPACTED SOIL Ad�arlced <br /> GeoEnvironmental, Inc. <br /> AMERICAN MOULDING AND MILLWORK �IN•-�e-n �I,•,�,• <br /> 2801 WEST LAND PROJECT NO. AGE-NC-98-0466 FILE: Au-MLDe.-. FIGURE: <br /> ' STOCKTON, CALIFORNIA DATE: 18 A PRIL 2001 DRAWN BY: KMM 6 <br />