FIELD DOCUMENTS AND WORK PLANS 2004-2014

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TABLE 1 LABORATORY ANALYTICAL RESULTS FORMER MARLEY COOLING TOWER SITE a STOCKTON,CALIFORNIA Page 15 of 24 i Laboratog Analyses Screened Hexavalent Water-bearing Nitrate as N Calcium Chromium Chromium Manganese Well zone Sample Date Event/Purpose mg1L* Sulfate mg/L) (mg1L) Arsenic (Mg/L) (pg1L) (pgtL** Iran pg/L q1L) TD5 mg/L) TOC mg1L Water Quality Objective 10 250 10 50 50 300 50 450 Injection Area Wells Continued 412!2008 Baselinel2nd qtr 9.7 22.5 NA 8 21 20 178 <10 463 <1.0 MW-329(I-70) Intermediate 512012008 Supplemental 9.3 28.7 NA 7 14 <10 258 <10 481J <1.0 7/11/2008 3rd Qtr. 11.13 27.0 NA 8 15 <10 510 <10 483 <1.0 10122/2008 4th Qtr. 9.6 28.4 NA 9 191 10 <100 <10 507J <1.0 10/22/2008 9th Qtr.(Chip) 9.5 28.9 NA 9 13 10 <100 <10 483J 1.61 1/9/2009 1st Qtr. 10.1 40.2 NA <5 42 <10 <100 <10 644 <1.0 4/7/2009 2nd Qtr. 9.7 26.0 NA 8 .14 <10 350 <10 467 <1.0 7115!2009 3rd Qtr. NA 25.5 NA 8 14 10 554 <10 496 1.2 10114/2009 4th Qtr, NA 28.8 NA <5 <10 <10 <50 <10 494 1.4 212/2010 1st Qtr. NA 25.9 NA 7 23 10 515 <10 553 0.4U 4/1412010 2nd Qtr. NA 26.9 NA 6 14 10 294 <10 535 3.1 7/812010 3rd Qtr. NA 28.8 NA 7 22 10 465 <10 532 0.6J 10/13/2010 4th Qtr. NA 26.5 NA 8 17 <10 359 <10 587 0.51 12/6/2010 4th Qtr NA 25.7 NA 8 14 10.4 336 <10 803 0.51 7!2112011 1st Qtr. NA 25.5 NA 8 12 10.6 326 <10 701 <1.0 4/14/2011 2nd Qtr. NA 26.3 NA 81 16 10.5 239J <10 496 0.2J 4/14/2011 2nd Qtr.(Dup) NA 26.5 NA 6 15 10.5 136 <40 516 0.3J 512312011 Supplemental NA NA NA NA 15 10 327 <10 NA <1.0 6/20/2011 Supplemental NA NA NA NA 15 10 213 <10 NA 1.3J 6/20/2011 Supplemental(Dup) NA NA NA NA 16 10 228 <10 NA <1.0 7/20/2011 3rd Qtr. NA 29.5 NA 7,0 13 10 368 <10 507.0 0.0 812212010 Supplemental NA NA NA NA 15 12.1 107 <10 NA 0.63 10113/2011 4th qtr. NA 24.5 NA 6 12 12.4 274 <10 534.0 0.23 1/25/2012 1st Qtr. NA 27.7 NA 2J 14 13.7 543 <10 503.0 0.91 4/2512012 2nd Qtr. NA 24.7 NA 8 18 15.1 169 <10 674.0 0,91 7/24/2012 3rd Qtr NA 28.4 NA 7 19 16.7 242 <10 508 0.61 712412012 rd Qtr(Dup) NA 27.9 NA 7 18 16.5 247 <10 506 0.61 10/24/2012 4th Qtr NA 25.3 NA 9 16 15.2 351 <10 520 0.6J 1/2912013 1st Qtr. NA 25.9 NA 8 17 17.0 330 <10 506 0.61 4/11/2013 2nd Qtr. NA 25.5 NA 8 15 14.7 230 <10 544 0.51 1/10/2008 Baseline <1 8.5 NA <5 <10 <10 88 90 144 <1.0 MW-361 Deep 4/1/2008 2nd Qtr. <1 13.9 NA 7 <10 <10 63 70 176 <1,0 7/10/2008 3rd Qtr. <1 12.9 NA 6 <16 <10 195 50 1901 <1.0 10121/2008 4th qtr. <1 12.5 NA 6 <10 <10 <100 50 193 3.8 10/21/2008 4th Qtr,(Dup) <1 12.5 NA <5 <10 <10 <100 50 172 3.9 1/8/2009 1st Qtr. <1 16.2 J NA 5 <10 <10 <100 40 152 <1.0 4712009 2nd Qtr. <1 11.1 NA 6 <10 <to 130 40 159 <1.0 7/14/2009 3rd Qtr. NA 8.6 NA <5 <10 <10 100 30 132 1.2 10/1212009 4th Qtr. NA 7.8 NA 5 <10 <10 89 30 147 1.6 211/2010 1st Qtr. NA 4,7J NA 1 3 <10 116 50 81. 2.9 4/13/2010 2nd Qtr, NA 6.1 NA 6 3 <10 37 30 144 1.9 717/2010 3rd Qtr, NA 7.8 NA 4J 3J <10 149 20 128 1.3 10/12/2010 4th Qtr. NA 9.0 NA 4J 4J <10 139 40 142 1.2 1/20/2011 1st Qtr. NA 8.71 NA 6 <10 <0.2 95 40 140 0.7J 4/13/2011 2nd Qtr. NA 8.9 NA 5 <10 <0.2 97 50 143 1.4 7/19/2011 3rd Qtr. NA 9.3 NA 5 <10 <to 98 40 138 <1.0 10/12/2011 4th Qtr. NA 10.4 NA 5 <10 <0.5 119 40 158 0.7J 1124/2012 1st Qtr. NA 8.6 NA 5 <10 <0.5 110 40 126 1.2 1/24/2012 1st Qtr.(Dup) NA 8.6 NA 5 <10 <0.5 105 40 140 1.2 4/25/2012 2nd Qtr. NA 8.4 NA 6 <10 <0.5 68 50 119 1.5 7/23/2012 3rd Qtr NA 8.9 NA 6 <10 <0.5 61 30 144 0.7J 10/23/2012 4th Qtr. NA NA NA NA <10 NA NA NA NA NA 1/24/2013 1st Qtr. NA NA NA NA <10 NA NA NA NA NA MW-363 Intermediate 10/1212010 41h Qtr, NA 11,4 NA 15 51 <10 50 120 222 0.61 1/20/2011 1st Qtr. NA 10.3J NA 14 31 1.91 75 110 220 <1.0 7/23/2012 3rd Qtr NA 10.2 NA 15 32 30.0 58 220 218 OAJ 10/24/2012 4th Qtr NA 10.5 NA 18 35 34.5 99 210 206 OAJ MW-436(1-5) intermediate 1/21/2011 1st Qtr. NA 23.2 NA 8 14 10.0 410 <10 675 <1.0 1/2112011 1st Qtr.(Dup) NA 23.1 NA 8 15 10.3 425 <10 711 <1.0