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TABLE 1 {
<br /> LABORATORY ANALYTICAL RESULTS 4
<br /> FORMER MARLEY COOLING TOWER SITE
<br /> STOCKTON,CALIFORNIA
<br /> Page 17 of 24
<br /> Laboratory Analyses €
<br /> Screened Hexavalent
<br /> Water-bearing Nitrate as N Calcium Chromium Chromium Manganese
<br /> Well Zane Sam le bate Event/Purpose mglL' Sulfate mg!L (mg/l-) Arsenic g]Lg!L) (pg/L)** Iron iag/L) (pglt TDS mg/L) TOC mg/L
<br /> Water Quality Objective 10 250 -- 10 50 50 300 50 450 -
<br /> In'ect€on AreaWells Continued
<br /> MW-448D Intermediate 7/21/2011 3rd Qtr. NA 43.8 NA 5 9,170 8,570 366 5.1 516 <1.0
<br /> (Continued) 7121!2011 3rd Qtr.(Dup) NA 49,4 NA 5 9,320 8,980 398 7J 511 <1.0
<br /> 81221201 1 Supplemental NA NA NA NA 8,320 8,220 137 <10 NA 1.0J
<br /> 10117!2011 4th Qtr. NA 32,8 NA 6 4,440 4,440 208 <10 433 0.31
<br /> 1/26/2012 1st Qtr, NA 29.5 NA 6 2,910 2,800 184 <10 ', 396 0.51
<br /> 5/2/2012 2nd Qtr. NA 30.3 NA 7 2,460 2,360 203 <10 432 0.61
<br /> 5/212012 2nd Qtr.(Dup) NA 31.2 NA 7 2,440 2,350 208 <10 418 0.7J
<br /> 7!18!2012 3rd Qtr NA 31.0 NA 6 2,050 1,960 213 <10 401 0.31
<br /> 7ll812012 3rd Qtr(Dup) NA 31.0 NA 6 2,090 1,970 200 <10 427 0.3J
<br /> 10!2512012 4th Qtr NA 31.3 NA 7 2,930 2,860 241 <10 420 0.6J
<br /> 1130/2013 1st Qtr. NA 30.0 NA 6 1,470 1,460 269 <10 390 2.3
<br /> 4116!2013 2nd Qtr. NA 51.1 NA 6 3,900 3,880 206 <10 458 2.0
<br /> EW-3 Intermediate 12/6/2010 4th Qtr. NA 107 NA 3J 31,700 28,800 329 91 788 0.81
<br /> 1!2512011 1st Qtr. NA 113 NA 3J 37,100 33,300 321 6J 733 <1.0
<br /> 1/25/2011 1st Qtr.(Dup) NA 122 NA 31 38,000 33,900 335 71 783 <1.0
<br /> 4/18/2011 2nd Qtr. NA 39.1 NA 4J 10,100 8,510 651 <10 410 0.7J
<br /> 4/18/2011 2nd Qtr,(Dup) NA 37.9 NA 4J 9,280 8,800 95 <10 417 0.50
<br /> 7/2112011 3rd Qtr. NA 25.2 NA W 5,210 3,580 223 10 358 <1.0
<br /> 7/21/2011 3rd Qtr.(Dup) NA 23.5 NA 31 5,440 4,300 250 10 311 <1.0
<br /> 10/17/2011 4th Qtr. NA 54.6 NA 3.1 12,400 12,400 232 40 $29 0.91
<br /> 1126/2012 1st Qtr. NA 24.2 NA 3J 4,700 4,650 118 <10 323 0,51
<br /> 7/25/2012 3rd Qtr NA 55.7 NA 3J 12,600 123500 223 60 523 0.61
<br /> 10/29/2012 4th Qtr NA 39.4 NA 3J 11,400 12,000 385 40 528 0.8J
<br /> 1/30/2013 1st Qtr. NA 130.0 NA 41 25,000 24,600 397 100 721 0.8J
<br /> 4116/2013 2nd Qtr. NA 158.0 NA <5 27,060 26,200 310 20 766 1.1
<br /> EW-4 Intermediate 12/8/2010 4th Qtr. NA 14.5 NA 8 29 28 167 <10 418 5.2
<br /> 1/21/2011 1st Qtr. NA 15.8 NA 9 194 232 209 51 529 3.6
<br /> 4/18/2011 2nd Qtr, NA 12.8 NA 5 38 26.1 193J <10 395 0.4J
<br /> 7121/2011 3€d Qtr. NA 14.0 NA 5 23 10 230 <10 377 <1.0
<br /> 10/13/2611 4th Qtr. NA 14.3 NA 5 15 13.6 156 <10 362 3.1
<br /> EW-5 Intermediate 12/8/2010 4th Qtr, NA 16.2 NA 4J 55 54.6 266 <10 388 0.7J
<br /> 1/2512011 1st Qtr. NA 14.5 NA 4J 54 52.7 96 <10 391 <1.0
<br /> 4/18/2011 2nd Qtr. NA 13.7 NA 5 18 8.42 44J 51 345 0.2J
<br /> 7/21/2011 3rd Qtr. NA 15.2 NA 40 16 10 264 <10 378 <1.0
<br /> 10/13/2011 4th Qtr. NA 16.4 NA 3J 13 13.2 165 <10 378 0.3J
<br /> MW-4 Intermediate 12!6!2010 4th Qtr, NA 26.9 NA S 770 696 187 <10 0.50489 0.4J
<br /> 1216!2010 4th Qtr,(Dup) NA 26.6 NA 5 772 694 224 <10 525
<br /> 1/25/2011 1st Qtr. NA 26.3 NA 4J 800 765 131 <10 511 <1.0
<br /> 4/1812011 2nd Qtr. NA 20.1 NA 6 524 516 40J <40 350 0.11
<br /> 4/18/2011 2nd Qtr.(Dup) NA 21.7 NA 5 517 507 26J <10 370 <1.0
<br /> 5/2312011 Supplemental NA NA NA NA 691 620 235 <70 NA <1.0
<br /> 6!2012011 Supplemental NA NA NA NA 686 666 168 <10 NA <1.0
<br /> 7/21/2011 3rd Qtr. NA 22.4 NA 4J 586 360 279 <10 373 <1.0
<br /> 62212011 Supplemental NA NA NA NA 589 559 76 <10 NA 0.5J
<br /> 10!1712011 4th Qtr. NA 25.6 NA 5 521 520 196 <10 473 0.2J
<br /> 10/17/2011 4th Qtr.(Dup) NA 25.4 NA 5 521 521 190 <10 428 0.2J
<br /> 7/25/2012 3rd Qtr NA 39.8 NA 5 982 981 202 <10 546 0.2J
<br /> 7/25/2012 3rd Qtr(Dup) NA 39.8 NA 5 982 971 224 <10 552 0.21
<br /> 10/25/2012 4th Qtr NA 36.6 NA 5 1,050 1,030 344 <10 782 0.6J
<br /> 1/30/2013 1st Qtr. NA 35.5 NA 5 1,060 1,050 356 <10 534 0.3J
<br /> 1!3012013 1st Qtr.(Dup) NA 35.7 NA 5 1,080 1,070 365 <10 535 0.31
<br /> 4116!2013 2nd Qtr. NA 41.4 NA <5 1,130 1,120 210 <10 520 <1
<br /> 4/16/2013 2nd Qtr.(Dup) NA 41.3 NA 5 1,100 1,106 226 <10 520 <1
<br /> MW-212 Intermediate 12!812010 4th Qtr. NA 22.0 NA 5 132 131 294 <10 438 0.7J
<br /> 1/25/2011 1st Qtr. NA 22.7 NA 4J 140 136 147 <10 424 <1,0
<br /> 1!2512011 1st Qtr.(Dup) NA 22.5 NA 4J 139 134 150 <10 437 <1.0
<br /> 4/18/2011 2nd Qtr. NA 18.5 NA 6 87 82.1 51 <10 378 0.2J
<br /> 5/23/2011 Supplemental NA NA NA NA 100 100 198 <10 NA <1.0
<br /> -612012011 Supplemental NA NA NA NA 99 110 140 <10 NA <1.0
<br /> 7/21/2011 3rd Qtr NA 18.4 NA 4J 80 60 227 <10 367.0 <1.0
<br /> 8122/2011 Supplemental NA NA NA NA 76 72.4 66 <10 NA 0.61
<br /> 10/1312011 41h Qtr. NA 18.8 NA 4J 95 94.5 170 <10 383.0 0.2J
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