ARCHIVED REPORTS_20100427 ATC 1Q2010 GWMR COMPLETE

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Table 6 HRC Results Crop Production Services,Vernalis,California Field parameters VOCs(u L) General Chemist (m ) Permanent Gases m Dissolved Metals (mg/L Metabolic Acids(m /L) pH US/cm mg/L my EPA 8268B/8260B SM-4500/ SM-2320B EPA 6020 EPA 9056 or 9056A EPA 376.2 EPA 353.2/SM- EPA 350.3/SM-4500 SM-4500 RSK-175M EPA 350.3/SM-4500 HPLC/UV Well Identification Sample Date SM-5310 4500 Dissolved Total Alkalinity of Ammonia as Carbon Iron, Manganese, pH Conductivity DO ORP 2-chloropropane 1-chloropropane Organic as CaCO3 Sodium Chloride Sulfate Total Sulfide TON Nitrogen Dioxide Methane Propene Dissolved Dissolved Acetic Butyric Propionic Pyruvic Carbon Upgradient Onsite MW-4 9/23/2009 6.78 4,382 1.12 -68.8 <1 585 117 157 132 <0.05 7.04 4.9 <0.0012 <0.03 <0.01 <10 <10 <10 MW-4 8/19/2008 6.3 2,147 1.4 154 <1.0 4.0 3.4 416 133 150 120 <0.050 23 53 0.014 <1.0 4.0 <1.0 <0.50 MW-4 8/23/2007 6.7 1,521 2.3 66 <1.0 <1.0 512 161 96.5 <0.10 3.1 <0.30 14.8 <0.006 <0.008 21.3 0.618 <1.0 <1.0 <1.0 <0.1 MW-4 3/5/2007 5.5 <0.10 MW-4* 8/30/2006 7.2 459 163 146 <0.10 8.9 <0.30 14.7 <0.007 <0.010 42.4 1.8 <1.0 <1.0 <1.0 <0.1 MW-4 2/27/2006 8.1 <0.10 MW-4 8/23/2005 7 428 147 124 <1.51 11 0.31 12.3 <0.006 <0.008 58.9 1.5 <1.0 <1.0 <1.0 <0.1 MW-4 4/7/2005 24 <0.10 MW-4 8/31/2004 6.8 <1.0 <1.0 435 170 126 <0.10 3.4 0.35 15.1 <0.007 <0.010 64.3 1.7 <1.0 <1.0 <1.0 <0.1 MW-4 3/31/2004 15.9 <0.5 Onsite MW-2 3/4/2010 7.21 1,850 1.85 158 <0.5 <0.5 3.18 0.547 43.4 0.01127 4.94 MW-2 9/23/2009 6.83 74,128 0.23 -193.6 2.247'7-- 565 108 155 34.6 <0.05 1.61 35 <0.0012 0.0493 5.49 <10 <10 <10 MW-2 1/26/2009 6.2 1,911 1.78 -246.7 <10 <20 3.8 0.78 120 7.79 5.73 MW-2 8/19/2008 6.7 2,057 0.86 -158.9 <1.0 <1.0 10 802 120 160 51 <0.050 7.3 170 3.04 <1.0 <1.0 <1.0 <0.50 MW-2 1/24/2008 6.3 2,114 1.9 -130 <1.0 4.0 6.8 0.48 77 MW-2* 8/23/2007 6.8 1,710 1 -151 <1.0 <1.0 664 143 108 <0.10 2.8 2.53 12.8 0.103 <0.010 5.11 3.17 <1.0 <1.0 <1.0 <0.1 MW-2 5/31/2007 6.8 <1.0 <1.0 569 167 111 <0.10 0.42 59.7 14.9 0.249 <0.010 6.16 3.61 <1.0 <1.0 <1.0 <0.1 MW-2 3/5/2007 7.5 599 150 68.3 <0.10 0.55 110 8.88 0.553 <0.010 13.2 3.44 <1.0 <1.0 <1.0 <0.1 MW-2 11/28/2006 6.9 <1.0 <1.0 524 174 91.7 <0.10 0.32 69.6 18.8 0.369 <0.013 6.91 3.95 <1.0 4.0 <1.0 <0.1 MW-2 8/30/2006 7.1 680 115 102 <0.10 <0.10 110 15.1 0.222 <0.0010 8.7 2.15 <1.0 <1.0 <1.0 <0.1 MW-2 5/22/2006 6.9 <1.0 4.0 621 180 112 <0.10 <0.20 58.8 12.8 1.79 <0.0010 5.79 3.76 <1.0 4.0 <1.0 <0.1 MW-2 2/27/2006 6.9 516 171 86.4 <0.10 <0.20 52 11.8 0.935 <0.008 6.16 3.61 <1.0 <1.0 <1.0 <0.1 MW-2 D 2/27/2006 MW-2 11/29/2005 6.7 560 154 69.6 <0.10 <0.20 53.8 14.2 1.43 <0.010 7.35 3.63 <1.0 <1.0 <1.0 <0.1 MW-2 8/23/2005 7 633 145 106 <0.10 <0.2 86.6 14.8 0.185 <0.010 10.3 2.95 <1.0 <1.0 <1.0 <0.1 MW-2 6/2/2005 6.9 <1.0 1.2 707 174 109 <0.10 <0.2 69.3 23 2.67 <0.010 6.62 4.2 <1.0 <1.0 <1.0 <0.1 MW-2 4/7/2005 6.8 <1.0 4.0 665 168 115 <0.10 0.3 89 11.5 4.41 <0.007 16.1 3.76 <1.0 4.0 <1.0 <0.1 MW-2 D 4/7/2005 MW-2 11/23/2004 <1.0 <1.0 675 132 85 <0.10 0.3 73.8 20.3 6.93 <0.010 10.3 4.32 <1.0 <1.0 <1.0 <0.1 MW-2 8/31/2004 6.6 <1.0 <1.0 797 203 103 <0.10 <0.2 84 29.9 7.67 <0.010 7.55 4.51 <1.0 <1.0 <1.0 <0.1 MW-2 D 8/31/2004 MW-2 5/27/2004 7 <1.0 <1.0 1,030 166 112 <0.10 <0.2 182 <0.015 0.021 <0.008 11.5 2.69 <1.0 <1.0 <1.0 <0.1 MW-2 3/31/2004 7.4 <1.0 3.9 1,010 142 109 <0.10 <0.10 224 5.44 <0.004 10.2 3.44 1.8 4.0 Q.0 <0.1 MW-2 12/4/2003 6.8 <1.0 2 1,180 136 75 <0.10 3 209 43.3 <0.010 3.61 74 <1.0 <1.0 <1.0 <0.1 Inter rid Onsite MW-6R 3/4/2010 7.22 5,280 0.69 63 <0.5 1.1 9.67 116 347 <0.03 0.477 MW-6R 9/24/2009 6.97 221,192 0.33 -13.6 10.6 785 434117-- 137 499 <0.05 82.9 539 0.6 0.0303 0.346 <10 <10 QO MW-6R 1/26/2009 <20 <40 19 87 740 0.217 0.691 MW-6R 8/19/2008 7 6,621 0.85 -163.4 1.2 <1.0 42 2,340 58.5 220 350 <0.050 22 680 8.87 4.8 <1.0 <1.0 <0.50 MW-6R 3/5/2008 6.8 5,125 1.46 <1.0 <1.0 3.6 75 MW-6R* 9/20/2007 6.7 5,262 0.21 175 1,030 28.4 180 460 <0.05 82 580 160 0.209 <1.00 19.5 0.553 Q.0 4.0 Q.0 <0.50 MW-6R D* 9/20/2007 990 28.1 190 490 83 580 170 0.179 4.59 0.175 <1.0 <1.0 <1.0 <0.50 Downgradient Onsite MW-7 3/4/2010 7.09 2,190 0.56 64 <0.5/<0.5 0.9/0.8 3.54 21 63 MW-7 9/23/2009 6.59 90,006 0.58 -83.1 2.24 580 90.9' 173 182 <0.05 2.73 40.6 <0.0012 <0.03 1.94 <10 <10 <10 MW-7 1/26/2009 6.2 2,547 0.94 -185.1 <10 <20 4.8 39 83 <0.100 2.60 MW-7 D 1/26/2009 <10 <20 4.8 41 83 0.362 2.53 MW-7 8/19/2008 6.6 2,597 0.79 -80.4 <1.0 <1.0 7.5 645 68.6 130 140 <0.050 49 41 11.900 4.0 <1.0 <1.0 <0.50 MW-7 D 8/19/2008 <1.0 4.0 7.6 670 65.7 140 150 <0.050 42 85 10.200 <1.0 4.0 <1.0 <0.50 MW-7 1/24/2008 6.4 2,024 2.3 125 <1.0 <1.0 11 33 59 MW-7 D 1/24/2008 <1.0 4.0 2159 MW-71 9/20/2007 6.6 1,863 0.28 150 470 94.6 150 160 <0.050 16 64 140 0.0404 <1.00 5.56 0.305 <1.0 <1.0 <1.0 <0.50 Downgradient Offsite MW-5 3/4/2010 6.36 1,440 2.19 165 <0.5 <0.5 2.86 3 <1 <0.03 0.54 MW-5 9/23/2009 6.99 63,428 0.18 -92.1 <1 265 148 227 204 <0.05 11 2.52 <0.0012 <0.03 2.45 <10 <10 <10 MW-5 1/26/2009 6.6 1,489 1.02 -173.9 <10 <20 1.6 6.0 0.7 0.444 1.89 MW-5 8/19/2008 6.8 1,409 0.65 32.8 <1.0 <1.0 3.2 282 120 170 150 <0.050 3.8 0.28 3.96 <1.0 <1.0 <1.0 <0.50 MW-5 1/24/2008 6.4 1,257 3.1 92 <1.0 4.0 3.2 0.86 0.63 MW-5* 8/23/2007 7.2 1,145 1.3 93 <1.0 <1.0 248 149 114 <0.10 9.7 0.78 4.59 0.014 <0.010 35.4 0.866 <1.0 <1.0 <1.0 <0.1 MW-5 3/5/2007 11 1.6 MW-5 D 3/5/2007 11 1.6 MW-5 8/30/2006 7.5 315 172 113 <0.10 2.7 1.56 6.61 <0.007 <0.010 22.8 0.738 <1.0 <1.0 <1.0 <0.1 MW-5 2/27/2006 12 2.0 MW-5 8/23/2005 7.2 305 199 134 <1.5 23 1.2 4.76 <0.007 <0.010 40.4 1 <1.0 <1.0 <1.0 <0.1 MW-5 4/7/2005 19 1.8 MW-5 8/31/2004 7.1 <1.0 <1.0 319 252 167 <0.10 19.7 1.46 5.72 0.019 <0.010 37.5 0.89 <1.0 <1.0 <1.0 1 <0.1 MW-5 3F31/2004 18.8 2.89 Notes: TON-Nitorgen,Nitrate plus Nitrite. VOC=volatile organic compound. For MW-2 from 2002 to 2008 only annual data is shown to provide historical concentrations prior to the expanded pilot test.A table showing all sample results collected to date is provided in the CD,attachment (1)-Beginning in 2005,samples analyzed for nitrate-nitrite as N by SM 4500 *-Expanded Pilot Test pre-injection baseline results Blank cell indicates analyte not analyzed Analytical Data Summary Page 1 of 2