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r r / I I r I I t - r`4- r_. Ir- f- r- <br /> Table 4 <br /> Historical Groundwater Quality Record <br /> Teichert Aggregates and Granite Construction-Vernalis Area, San Joaquin County <br /> (all units in mg/L, unless otherwise specified) <br /> Total Total Coliform <br /> Sampling EC TDS pH Hardoem Ca Mg No K Allralinity OH CO3 HCO3 SO4 Cl NO3 NO2 P I D Co Re Mo Z Total Reeal <br /> Point Date (#.5/cm) as CaCO3 as C%CO3 mOH mCO3 mHCO3 as NO3 aNO2 (PPL) (oe/D (wIL) (aa/L) (WN/100m1.) <br /> Meaimum Contaminant 6.5 to <br /> Lcvnll 900' 500' 8.5• 250' 250' 45 3 2 1,000' 3D0' 50• 5,000- <br /> S.Tracy#1 2/4/2008 837 490 7.8 254 64 23 75 2 170 <10 <10 210 144 60 34.2 <13.3 - 0.2 1.0 <10 70 <10 QO - - <br /> S.Tracy#i 5/1/2000 848 540 7.7 262 67 23 76 2 170 <10 <10 200 154 60 31.0 <0.3 - 0.2 0.9 <10 70 <10 QO - - <br /> S.Tracy#1 826/2008 861 530 6.9 263 66 24 78 2 170 <10 <10 200 144 58 32.2 <0.3 - 0.2 1.0 <10 <50 <10 QO - - <br /> S.Tracy#1 11/25/2008 850 500 7.8 252 63 23 75 2 160 <10 <10 200 148 61 31.9 <0.3 - 0.3 LO <10 50 <10 QO - - <br /> S.Tracy#1 2/10/2009 844 520 8.2 243 61 22 75 2 160 <10 <10 190 144 61 29.0 <0.3 - 0.2 1.0 <10 140 <10 20 - - <br /> S.Tracy#1 5/5/2009 856 520 8.2 245 62 22 80 2 130 <10 <10 160 158 77 32.0 <0.3 - 0.3 1.0 <10 90 <10 20 - - <br /> S.Tracy#1 8/4/2009 848 510 8.2 254 64 23 76 2 150 <10 <10 Igo 140 67 37.4 <OJ - 0.4 LO <10 <50 <10 QO - - <br /> S.Tracy#3 5/16/2000 841 530 6.9 268 68 24 73 2 180 ND ND 220 160 49 21.9 PID - 0.2 1 ND ND ND ND - - <br /> S.Tracy#3 3/312004 956 500 7.4 289 73 26 75 2 190 <10 <10 230 161 54 25.6 <0.3 - 0.3 1.0 <10 <50 <10 QO - - <br /> S.Tracy#3 5//92004 954 550 7.1 273 70 24 75 2 190 <10 <10 230 161 51 22.3 <0.3 - 0.3 0.9 <10 <50 <10 QO - - <br /> S.Tracy#3 8/242004 853 560 6.9 285 73 25 75 2 190 <10 <10 230 163 50 22.4 <0.3 - 0.4 1.0 <10 <50 <10 QO - - <br /> S.Tracy#3 1222004 838 550 7.4 273 70 24 74 2 190 <10 <10 230 164 51 22.0 6/.3 - 0.3 0.9 <10 <50 <10 QO - - <br /> S.Tracy#3 2/232005 863 540 T4 275 69 25 74 2 190 <10 <10 240 159 54 25.3 <0.3 - 0.3 1.0 <10 <50 <10 QO - - <br /> S.Tracy#3 5/11/2005 947 530 Z5 278 70 25 74 2 190 <10 <10 230 155 55 26.3 <0.3 - 0.3 0.9 <10 <50 <10 QO - - <br /> S.Tracy#3 8/302005 850 580 7.2 264 68 23 71 2 90 <10 <10 210 158 62 27.4 <0.3 - 0.3 0.9 <10 <50 <10 QO - - <br /> S.Tracy#3 11/152005 947 600 7.3 259 66 23 71 2 190 <10 <10 230 162 52 23.3 <0.3 - 0.2 0.9 <10 <50 <10 QO - - <br /> S.Tracy#3 2/152006 847 550 7.4 283 72 25 77 2 190 <10 <10 230 155 52 22.5 0.33 - 0.3 1.0 <10 <50 <10 Q0 - - <br /> S.Tracy#3 5/312006 865 550 7.6 278 70 25 72 2 ISO <10 <10 220 157 58 29.1 <D.3 - 0.3 1.0 <10 <50 <10 QO - - <br /> S.Tracy#3 9212006 963 580 7.6 259 66 23 70 2 180 <10 <10 220 151 57 28.8 <O.3 - 0.2 0.9 <10 <50 <10 QO - - <br /> S.Tracy#3 11/142006 858 560 7.5 276 71 24 75 2 190 <10 <10 230 156 51 22.9 <0.3 - 0.3 0.99 <10 <50 <10 QO - - <br /> S.Tracy 03 2/132007 860 570 7.6 268 68 24 76 2 190 <10 <10 230 168 54 21.2 <DJ - 0.3 0.83 <10 <50 <10 QO - - <br /> S.Tracy#3 529/2007 853 S50 7.5 276 71 24 78 2 ISO <10 <10 220 154 54 25.5 <D.3 - <0.1 1.05 <10 <50 <10 QO - - <br /> S.Tracy#3 9/142007 858 550 6.7 278 72 24 90 2 180 <10 <10 220 161 50 22.1 <0.3 - 0.2 0.99 <10 <50 <10 Q0 - - <br /> S.Tracy#3 11262007 853 560 8.1 283 72 25 72 2 180 <10 <10 220 158 53 25.0 <0.3 - 0.3 1.0 <10 <50 <10 QO - - <br /> S.Tracy 03 2/42008 848 510 7.7 268 68 24 74 2 180 <10 <10 230 157 53 26.2 m.3 - 0.1 1.0 <10 <50 <10 QO - - <br /> S.Tracy#3 5/1/2008 854 550 7.7 271 69 24 74 2 180 <10 <10 220 165 52 21.8 <0.3 - 0.2 0.9 <10 <50 <10 QO - - <br /> S.Tracy 93 8262008 871 540 6.9 263 66 24 74 2 180 <10 <10 220 159 54 25.1 <0.3 - 0.3 LO <10 <SO <10 QO - - <br /> S.Tracy#3 11252008 967 530 7.9 270 67 25 74 2 190 <10 <10 210 159 56 26.0 m.3 - 0.2 1.0 <10 50 <10 QO - - <br /> S.Tracy#3 2/102009 867 520 8.1 268 66 25 75 2 170 <10 <10 210 151 58 28.4 <0.3 - 0.2 1.0 <10 60 <10 QO - - <br /> S.Tracy#3 5/52009 850 520 8.1 263 66 24 73 2 160 <10 <10 190 148 64 33.8 <0.3 - 0.3 LO <10 <50 <10 QO - - <br /> S.Tracy#3 9/42009 949 520 8.1 268 68 24 74 2 170 <10 <10 200 146 59 31.9 <0.3 - 0.3 1.0 <10 <50 <10 QO - - <br /> S.Tracy#3 1123/2009 850 500 8.0 263 66 24 74 2 190 <10 <10 210 154 56 27.8 <0.3 - 0.3 LO <10 <50 <10 QO - - <br /> S.Tracy#3 5252010 850 520 7.4 280 71 25 77 2 170 <10 <10 210 155 58 29.0 V.3 - 0.3 0.9 <10 <50 <10 QO - - <br /> S.Tracy 43 11/302010 942 540 7.3 290 71 25 73 2 160 <10 <10 2D0 143 59 30.5 <0.3 - 0.2 1.0 <10 <50 <10 QO - - <br /> S.Tracy 03 5232011 947 520 7.4 271 69 24 71 2 150 <10 <10 190 147 62 33.2 <0.3 - 0.2 0.9 <10 70 <10 QO - - <br /> S.Tracy#3 11/172011 851 500 7.9 293 72 25 81 2 160 <10 <10 200 152 60 31.3 <0.3 - 0.2 1.0 <10 <50 <10 QO - - <br /> S.Tracy#3 5/312012 860 520 7.1 290 71 25 77 2 160 <10 <10 200 150 58 27.9 <O.1 - 0.2 0.9 <10 <50 <10 QO NS NS <br /> 8/82013 <br /> Pass 6of9 <br />