FIELD DOCUMENTS AND WORK PLANS 2004-2014

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TABLE 1 LABORATORY ANALYTICAL RESULTS FORMER MARLEY COOLING TOWNER SITE 1. STOCKTON,CALIFORNIA Page 26 of 24 LaboratoryAnalyses Screened Hexavalent Water-bearing Nitrate as N Calcium Chromium Chromium Manganese Well Zone Sample bate Event/Purpose mg1L* Sulfate (m/L) (mg/L) Arsenic /L gIL /L** Iron(pg/L) (pg/L) TITS mg/L) TOC mg/L Water Qualit Ob'octive 10 250 10 50 50 300 50 450 Back round/Com fiance Wells Continued MW-304 Shallow 1/21/2008 Background NA NA NA NA NA NA NA NA NA NA 4/1/2008 2nd Qtr./Compliance NA NA NA NA NA NA NA NA NA NA 7/10/2006 3rd Qtr./Compliance NA NA NA NA NA NA NA NA NA NA 70122!2008 4th Qtr.ICompliance 2.2 31.6 NA <5 24 <10 <100 <10 8931 5.8 119/2009 1st Qtr. NA NA NA NA NA NA NA NA NA NA 4/8/2009 2nd Qtr. NA NA 'NA NA NA NA NA NA NA NA 7!1512009 3rd Qtr. NA 41.3 NA <5 20 <10 990 <10 864 1.7 10/14/2003 4th Qtr, NA 43.1 NA 3 14 <10 659 -10 9044 1.9 21212010 1st Qtr. NA 44.2 'NA 3 35 <10 726 <10 849 0.70 4!1412010 2nd Qtr. NA 41.8 NA 3 8 <10 444 <10 823 0.51J 718!2010 3rd Qtr. NA 44.2 NA -3J 27 10 714 <10 848 0181 1011312010 4th Qtr. NA 41.7 NA 5 20 <10 703 <10 843 1.0 1!2112011 1st Qtr. NA 39.6 NA 41 27 8.06 313,1 5U1 848 <1.0 4/13/2011 2nd Qtr. NA 39.9 NA-3J15 8.04 424 <10 856 0.71 7/20/2011 3rd Qtr. NA 41.1 NA 31 17 <10 569 <10 856 <1.0 10/12/2011 4th Qtr. NA 42.4 NA 2J 61 3.13 418 <10 859 0.51 1/25/2012 1st Qtr. NA 43.4 NA 31 10 9.03 417 <10 849 1.3 412612012 2nd Qtr. NA 41.6 NA 4J 12 8.27 353 <10 828 1.2 7/24/2012 3rd Qtr NA 41.8 NA 3J 16 8.32 383 <10 853 0.81 10124!2012 4th Qtr NA NA NA NA-1 I NA NA NA NA NA 1/2912013 1st Qtr. NA NA NA NA 10 NA NA NA NA NA 4111!2013 2nd Qtr. NA NA NA NA 11 NA NA NA NA NA 7 1/9/2008 Background 3. 16.9 NA <5 < MW-401 Shallow 10 <10 93 <70 284 <1.0 7110!2008 3rd Qtr,/Compliance 2.3 16.2 NA <5 <10 <10 157 <10 252 <1.0 10/22/2008 4th Qtr.[Compllance 2.4 14.3,1 NA 5 _<10 <10 <100 <10 229J 4.01 1/8/2009 1 at Qtr. 1.8 20.3 J NA 6 11 <10 <100 <10 236 <1.0 4/712009 2nd Qtr. 2.7 17.4 NA 5 <10 <10 130 <10 253 1 J II 3!14!2009 3rd Qtr. NA 16.2 NA <5 <10 <1p 115 <70 230 1.2 10/12/2009 4th Qtr. NA 15.9 NA 5 5 <10 119 <10 247 1.7 = 2/1/2070 1st Qtr. NA 17.7 NA 4 6 <10 152 <10 266 0.4U 4/13/2010 2nd Qtr. NA 16.2 NA 5 7 <10 <50 <10 283 1.2 7!712010 3rd Qtr NA 14.1 NA 5 4J <10 124 <10 235 0.71 10/12/2010 4th Qtr. NA 14.2 NA 4J 61 <10 69 <10 219 1.4 Ek 1/20/2011 1st Qtr. NA 14.0,1 NA 6 <10 0.98 39J <10 251 0.81 4/13/2017 2nd Qtr, NA 13.4 NA 5 3J 0.74 120 <10 218 1.3 7!1912011 3rd Qtr. NA 14.0 NA 5 <10 <10 57 <10 225 <1.0 j 10/12/2011 4th Qtr. NA IUA NA 4J 10 <0.5 99 20 237 0.91 1/24/2012 1st Qtr. NA 22.3 NA 4J <10 1.15 74 <10 245 1.3 412412012 2nd Qtr. NA 21.2 NA 5 <10 1.11 70 <10 253 1.3 7/23/2012 3rd Qtr NA 24.4 NA 4J 31 1.22 69 <10 324 0.61 10/23/2012 41h Qtr NA NA NA NA <10 NA NA NA NA NA 1/24/2073 1st Qtr, NA NA NA NA <10 NA NA NA NA NA MW-310112112008100-Foot Sand Background 6.4 16.5 NA 6 <10 <10 243 <10 317 <1.0 4/1/2008 2nd Qtr./Compliance 9.9 21.0 NA 7 77 <10 187 <10 463 <1.0 47112008 2nd Qtr./Supplemental(Dup) 9.9 19.8 NA 7 10 <10 200 <10 468 <1.0 7/10/2008 3rd Qtr./Compliance 9.6 20.9 I NA 8 <10 <10 519 <10 476 <1.0 10!2112008 4th Qtr./Compliance 12.9 40.6 NA <546 <10 <100 <10 748 2.8 1!912009 1st Qtr. 12.2 23.6 NA 8 25 <70 <100 <10 608 <1.0 4/7/2009 2nd Qtr. 12.4 27.9 NA 7 <10 <10 456 <10 545 1.2 J 711412009 3rd Qtr. NA 38.4 NA <5 10 <10 626 <10 743 1.1 7/14/2009 3rd Qtr.(Dup) NA 37.8 NA <5 <10 <10 637 <10 756 1.3 10/12/2009 4th Qtr. NA 52.2 NA 4 8 <10 569 10 777 1.3 2/1/2010 1st Qtr. NA 39.6 NA 4 41 <10 6051 <10 780 0.5 2/1/2010 1st Qtr.(Dup) NA 37.5 NA 4 39 <10 750 <10 749 0.5 4/13/2010 2nd Qtr. NA 37.8 NA 4 12J <10 402 <10 821 0.7U 411312010 2nd Qtr.(Dup) NA 38.1 NA 4 25 <101-13 422 <10 782 0.7U 7/7/2010 3rd Qtr. NA 40.0 NA 31 30 <10 628 <10 754 0.4J 7/7/2010 3rd Qtr.(Dup) NA 40.2 NA 3J 22 <10 610 <10 759 0.2J 10/1312010 4th Qtr. NA 44.4 NA 41 26 <10 789 <10 767 0.93 1!2112071 1st Qtr. NA 45.0 NA 5 19 7.44 542 <10 899 <1.0 4!13!2011 2nd Qtr. NA 40.6 NA 33 14 7.04 458 <10 755 <1.0 7!20/2011 3rd Qtr. NA 47.0 NA 3J 17 <10 515 <10 787 <1.0 10112!2011 4th Qtr. NA 44.2 NA 11 <10 <0.5 413 20 837 0.7J 1/24/2012 1st Qtr. NA 46.6 NA 2J 81 5.12 375 <to 779 7.1 4!2412012 2nd Q€r. NA 44.6 NA 4J 10 3.36 362 <10 789 0.9 712412012 3rd Qtr NA 45.7 NA 31 15 7.82 349 <10 786 0.91 10/24/2012 4th Qtr NA NA NA NA 93 NA NA NA NA NA 1/25/2013 1st Qtr. NA NA NA NA 91 NA NA NA NA NA 4!1112013 t 2nd Qtr. NA NA NA NA 91 NA NA NA NA NA p �I;