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I I 1 I i I I I I I I I I I 1 I I I <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 Hardness Ca Mg No E Alkalinity OH CO3 HCO3 SO4 CI NO3 NO2 P F B CU Fe Mn Zn Total Fecal <br /> Point Date (aS/cm) as CAC03 as C'a('03 as OH as CO3 as HCO3 as NO3 as NO2 (L L) (ag/L) Loafs (pg/L) rMPN/IOO ml l <br /> Maximum Contaminant 65to <br /> Level' 900" 500• 8.5• 250• 250• 45 3 2 1,000• 30D• 50• 5,00V <br /> S.Tracy#3 5/16/2000 841 530 6.9 268 68 24 73 2 180 ND ND 220 160 49 21.9 ND - 0.2 1 ND ND ND ND -S.Tracy#3 3/31/2004 856 500 7.4 289 73 26 75 2 190 10 <10 230 161 54 25.6 <0.3 - 0.3 LD 10 r50 <10 QO - - <br /> S.Tracy 43 5/18/2004 854 550 71 273 70 24 75 2 190 <10 <10 230 161 51 22.3 <0.3 - 0.3 09 -l u 50 <10 QO - - <br /> S.Tracy#3 8/24/2004 853 560 6.9 285 73 25 75 2 190 <10 <IO 230 163 80 224 <03 -- u4 10 10 _50 <10 QO -- - <br /> S.Tracy 03 1222004 838 550 7.4 273 70 24 74 2 190 <I0 <10 23D 164 51 22.0 <03 -- 1,.7 u 9 -:.10 _5D X10 QO <br /> S.Tracy#3 223/2005 863 510 7.4 275 69 25 74 2 190 <10 <10 240 159 54 253 <0.3 -- Ii: 111 -.10 <50 <10 QO -S.Tracy 43 5//12005 847 530 7.5 278 70 25 74 2 190 <10 <10 230 155 55 263 <0.3 --- D 3 0.9 -1I0 <50 .10 QO --- <br /> &Tracy 43 8/30/2005 850 580 7.2 264 68 23 71 2 90 <10 <10 210 158 62 27.4 <0.3 -- i„ 09 -I O <50 -10 QO -- - <br /> S.Tracy#3 11/15/2005. 847 600 73 259 66 23 71 2 190 <10 <10 230 161 52 23.3 <0.3 - D7 D.9 -10 <50 <10 QO -- -- <br /> S.Tmcy#3 2/15/2006 847 550 7.4 283 72 25 77 2 190 <10 <10 230 155 52 22.5 0.33 - 0.3 Lu <10 <50 <10 QO -S.Tracy#3 5/31/2006 865 550 7,6 278 70 25 72 2 180 <10 <10 220 157 58 29.1 <0.3 -- 0.3 1 D <10 <50 <I0 QD <br /> S.Tracy#3 8/21/2006 863 580 7,6 259 66 23 70 2 18D <10 <10 220 151 57 28.8 <13 - 02 0.9 10 -:50 <10 QO - - <br /> S.Tracy#3 11/14/2006 858 560 75 276 71 24 75 2 190 <10 <10 230 156 51 22.9 <D3 - 03 0.89 .10 50 <10 QO --S.Tracv 93 2/13/2007 860 570 7.6 268 68 24 76 2 190 <10 <10 230 168 54 212 dJ.3 - 03 0.83 110 <50 <10 <20 -- - <br /> S.Tracy#3 5/29/2007 853 550 75 276 71 24 78 2 180 <10 <10 220 154 54 25.5 <D.3 - <0.1 1.05 <10 <50 <10 QO -- - <br /> S.Trac y#3 8/142007 858 550 6.7 278 72 24 80 2 180 <10 <10 220 161 50 22.1 <D.3 - 0.2 0.99 <10 <50 <10 QO -- - <br /> S.Tracv#3 11/26/2007 853 560 8.1 283 72 25 72 2 ISO <10 <10 220 158 53 25.0 0.3 - 0.3 LO <10 <50. <ID QO -- - <br /> S,Tracy#3 2/4/2008 846 510 7.7 268 68 24 74 2 180 <10 <10 230 157 53 26.2 -0.3 - 0.1 1.0 QO <50 <10 QO - <br /> S.Tmcv#3 5/1/2008 854 550 77 271 69 24 74 2 180 <10 <10 220 165 52 21.8 <D.3 - 0.2 0.9 -:IO <5O <10 <20 - - <br /> S.Tracy N3 826/2008 871 540 6.9 263 66 24 74 2 160 .10 <10 220 159 54 25.1 <0.3 - 0.3 LD I D 50 <10 QO -- <br /> S.Tracv#3 11/25/2008 867 530 7.9 270 67 25 74 2 180 10 <10 210 159 56 26.0 <0.3 - 02 1.0 :10 50 <10 QO - <br /> S.Tracy#3 2/10/2009 867 520 8.1 268 66 25 75 2 170 -10 -10 210 151 58 284 <0.3 -- 0.2 LO <10 60 <10 QO - - <br /> S.Tracy 03 5/52009 850 520 8.1 263 66 24 73 2 160 111 10 190 148 64 33.8 <0.3 -- 0.3 LO <10 <50 <10 <20 - - <br /> S.Tracy#3 8/42009 849 520 8.1 268 68 24 74 2 170 1(l <IO 200 146 59 31.9 <0.3 -- 0.3 1.0 <10 <50 <ID 20 - <br /> S,Tracy#3 11/232009 850 500 8.0 263 66 24 74 2 IRO -III -10 210 154 56 27.8 <0.3 -- 03 1.0 <10 <50 <10 QO - <br /> S.Tmev#3 5/25/2010 850 520 7.4 280 71 25 77 2 17u -10 -10 210 155 58 29.0 <0.3 -- 03 0.9 <10 <50 QO QO - - <br /> S.Tracy#3 11/30/2010 842 540 7.3 280 71 25 73 2 IbU -IO -10 200 143 59 30.5 <03 - 0.2 1.0 <10 <50 <10 <20 - <br /> Brown's New 6/l/1994 840 570 7.5 290 72 28 87 ND 200 ND ND 240 150 30 8.3 ND ND 0.2 1.3 ND ND ND ND - - <br /> Bmwn's Na+ 10/4/1994 870 530 7.5 280 68 24 84 ND 190 ND ND 230 160 35 8.1 ND ND 0.1 LI ND ND ND ND - - <br /> Brown,New 1/19/1995 860 550 7.5 290 67 25 80 IS 190 ND ND 230 180 38 8.5 ND ND 0.2 1.1 ND 290 50 ND - - <br /> BrnwdsNcu 426/1995 830 550 75 260 fib 23 75 ND 210 ND ND 260 190 35 9.1 ND ND 0.2 1.1 ND ND ND ND - - <br /> Itrow.isNc,, 76'1995 830 550 74 280 74 24 74 6 211) ND ND 250 190 37 93 ND ND ND 1.2 ND 50 ND 80 - - <br /> I;urm,i x Ncw A 11,1995 830 550 7.5 270 70 23 83 ND 230 ND ND 290 180 38 9.5 ND ND 0.2 1 ND ND ND ND - - <br /> Itnn„i,N" PI 111996 860 560 7.4 270 72 23 81 ND 240 ND ND 300 180 39 9.4 ND ND 0.4 1.1 ND ND ND ND - - <br /> N,.,,,,,Nnc 52'1996 840 510 7.4 290 69 28 78 2 220 ND ND 270 180 41 II ND ND 0.5 IA ND 1,900 ND ND - -- <br /> knn„isN,�. 7;10996 850 510 9.1 280 71 26 75 ND 210 12 110 NO 190 40 11 ND ND 02 IA ND ND ND ND - - <br /> bmm�',Nc« l I M 1911, 860 540 7.4 290 74 25 84 2 210 ND ND 250 200 41 8.6 ND ND ND ND ND 600 ND ND - - <br /> 6w201 I-I O 57 AM <br /> Paae 6nP9 <br />