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Table 1 <br /> Summary of Soil Analytical Results, Metals <br /> DTSC - Gordon Research Company Property , Manteca, California <br /> RV009808. 0000 <br /> E <br /> 2 <br /> I = <br /> U E . <br /> E c E E <br /> c o 3 � � m _ Z 70 3 <br /> E c - E o ca Q v Y > c L) <br /> Z -o x n a cu rll o m -' <br /> I Analyte: ¢ ¢ m m U U = 0 U � 2 z rn U) H > N <br /> Method: EPA 60106 EPA 60108 EPA 6010B EPA 6010B EPA 6010B EPA 6010B EPA 7196A EPA 60106 EPA 6010B EPA 6010B EPA 7471A EPA 6010B EPA 6010B EPA 6010B EPA 6010B EPA 6010B EPA 6010B EPA 6010B <br /> Units: mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg mg/Kg <br /> Sample ID Date Sampled Depth* <br /> B-36-0 . 5 06/23/10 0. 5 <0. 5 2 .4 41 0. 11 <0. 25 6 . 0 2 . 7 5. 3 2.2 <0 . 022 <0. 25 4 . 8 <0 .5 <0.25 <0. 5 28 24 <br /> B-37-0 . 5 06/24/10 0. 5 <0 . 5 1 . 0 41 0 . 1 <0.25 5 . 9 -- 2 . 5 6.4 1 .4 <0. 02 <0. 25 4. 6 <0. 5 <0.25 <0 . 5 27 18 <br /> B-38-0. 5 06/24/10 0. 5 <0 . 5 0. 99 38 <0 . 1 <0.25 6.4 -- 2 . 5 5. 1 3. 9 <0. 02 <0.25 4.6 <0.5 <0.25 <0 . 5 30 22 <br /> B-39-0.5 06/24/10 0. 5 <0 . 5 1 .7 34 <0 . 1 <0.25 5 . 1 -- 2.2 6 . 8 8 .3 <0. 02 <0.25 4 .4 <0.5 <0.25 <0.5 22 23 <br /> B-40-0. 5 06/24/10 0. 5 0. 99 1 .7 58 0 . 12 <0.25 9. 9 3. 0 7 .7 42 0 . 074 <0.25 5.3 <0. 5 <0 .25 <0. 5 41 72 <br /> B-41 -0. 5 06/24/10 0. 5 7.4 0. 74 43 0. 11 0.28 8.6 -- 2.5 6 . 5 34 0. 03 <0.25 4. 8 <0. 5 <0.25 <0. 5 38 48 <br /> I B-42-0 . 5 06/24/10 0. 5 7.4 4. 1 44 0. 12 0. 28 12 - 3 . 5 8. 2 49 0 .22 <0. 25 7. 8 <0.5 <0.25 <0. 5 44 150 <br /> B43-0 . 5 06/24/10 0.5 6. 3 9.7 500 0. 13 3.0 9.7 -- 3 . 0 8. 7 1300 0. 054 <0 .25 5 . 0 <0 . 5 <0.25 <0.5 36 520 <br /> B-44-0 . 5 06/24/10 0 .5 8.6 5 . 8 46 0. 16 0. 73 13 -- 3 . 6 12 35 <0. 021 0 .48 6 .3 <0. 5 <0.25 <0. 5 44 71 <br /> B45-0. 5 06/24/10 0.5 6.6 2 .6 46 0. 15 <025 8 . 5 -- 3.6 13 4.2 0 . 025 <0. 25 6.5 <0.5 <0.25 <0. 5 37 31 <br /> B46-0 . 5 06/24/10 0.5 5. 6 1 . 5 42 0. 13 <0. 25 7 . 5 -- 3. 1 6. 8 6. 0 <0 . 022 <0. 25 4. 8 1 <0 . 5 <0.25 <0.5 1 31 1 29 <br /> B-47-0. 5 06/24/10 0. 5 5 . 5 2 .7 42 0. 12 <0.25 7 . 0 2. 9 6. 1 5. 2 <0. 022 <0.25 4. 5 <0. 5 <0.25 <0.5 30 29 <br /> B48-0. 5 06/24/10 0. 5 6. 2 17 43 0. 13 <025 8 . 3 -- 2. 8 6.2 13 <0. 021 <0 .25 4.5 <0.5 <0.25 <0 . 5 31 39 <br /> S 3 06/24!10 -- 13 2 .2 120 0. 13 1 . 3 13 <0 .4 2.4 24 130 0. 07 1 .6 9. 0 <0.5 <0.25 <0. 5 17 190 <br /> Statistical Summary <br /> Total Number of Samples: 47 49 47 47 49 47 7 47 47 50 47 47 47 47 47 47 47 47 <br /> Number of Detects: 39 49 47 42 21 47 0 47 47 50 24 16 47 0 0 0 47 47 <br /> Maximum Concentration : 18 59 500 0. 16 20 260 <0 . 4 6 . 5 62 1600 0.45 23 21 <0. 5 <0. 25 <0 . 5 44 5300 <br /> I Minimum Concentration : <0 . 5 0.61 34 <0. 1 <0 .25 5 . 1 <0 . 4 2 . 2 0.83 1 .2 <0 . 02 <0 .25 4. 1 1 <0. 5 <0.25 < 0 . 5 17 18 <br /> Average Concentration : 4. 81 8 . 94 71 .47 0 . 12 1 . 05 18 . 16 2 . 97 12 . 03 107. 51 0 . 05 0 . 96 6.37 - -- 30.45 277. 28 <br /> Standard Deviation : 3 . 86 11 . 35 75.55 0. 02 2 . 92 39 .20 0. 73 12 . 32 301 .49 0. 07 3.33 3. 33 - - - 5 .79 868 . 59 <br /> Comparison Criteria <br /> Background Concentration : 12 <br /> CHHSLs: 30 0 . 07 5200 150 1 . 7 10000 17 660 3000 80 18 380 1600 380 380 5 530 23000 <br /> Is maximum concentration below background or CHHSLs? YES NO YES YES NQ YES YES YES YES NO YES YES YES YES YES YES YES YES <br /> Quality Control Summary <br /> Duplicate Samples <br /> B- 1 -0. 5 06/23/10 0. 5 5 . 0 4. 9 52 <0. 1 1 . 8 14 2 . 2 15 24 0. 065 0. 72 6. 1 <0 . 5 <0.25 <0. 5 17 160 <br /> DUP1 06/24/10 0. 5 8 . 3 7.2 36 0. 13 <0 .25 9 . 7 3 .4 8.3 6.4 <0 . 021 <0.25 5.2 <0. 5 <0. 25 <0. 5 45 42 <br /> RPD(%) 50% 38% 36% 26% 151 % 36% - 43% 58% 116% 102 % 97% 16% I 0% 0% 0% 90% 117% <br /> B-7-0. 5 06/23/10 0. 5 6. 0 18 40 0. 11 0. 31 9 .4 -- 2 . 5 6 .6 14 <0. 022 23 4 . 3 <0.5 <0.25 <0. 5 32 42 <br /> DUP2 06/24/10 0.5 7.4 30 63 0 . 12 0. 57 16 - 2 . 6 9.4 34 <0 . 02 9. 5 4. 8 <0 .5 <0.25 <0 . 5 36 55 <br /> RPD( %) 21 % 50% 45% 9% 59% 52% 4% 35% 83% 10% 83% 11 % 0% 0% 0% 12% 27% <br /> B-20-0. 5 06/23/10 0. 5 6.4 1 . 7 66 0 . 14 3. 6 12 - 3 . 5 14 44 0 . 17 0.45 T8 <0. 5 <0 . 25 <0. 5 30 67 <br /> l DUP3 06/24110 0 . 5 4. 6 2 . 1 57 0. 12 0 . 5 7 . 8 2 . 7 7 . 0 17 0. 02 <0 . 25 5. 7 <0 .5 <0.25 <0.5 24 46 <br /> RPD( % ) 33% 21 % 15% 15% 151 % 42% - 26% 67% 89% 0158% 57% 31 % 0% 0% 0% 22% 37% <br /> I <br /> Tables 1 -91PEA Work Plan Addendum-RV009808 .As <br /> 2 of <br /> 4/20/2011 3 <br />