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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 Na K Allot ioity OR ('03 HCO3 SO4 Cl NO3 NO2 P F a Co Fe Mn Zo Total Fecal <br /> Point Date 1lA&CM) as CaCO3 as CsCO3 as OR as CO3 as HCO3 as NO3 as NO2 (ua/L) (aFJL) (trtr/2) (ts8/L) (MPN/100 mL) <br /> Maximum co.mmlllanl 6.5 to <br /> Level 9001 500' 8.5• 250• 250• 45 3 2 1,000• 300• 50• 5,000- <br /> S Tracy 43 1120/2012 869 550 7.5 287 74 25 73 2 150 <10 <10 180 150 56 27.5 <0.1 - 0.2 0.9 <10 <50 <10 <20 NS NS <br /> Brown's New 6/1/1994 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 NID - - <br /> Brown's New 10/4/1994 870 530 7 5 280 68 24 84 ND 190 ND ND 230 160 35 8.1 ND ND 0 1 L I ND ND ND ND -- - <br /> &osvn'sNc'e 1'19'1995 860 550 7.i 290 67 1_5 80 1.5 190 ND ND '_30 I80 38 8.5 ND ND 0.2 LI ND 290 50 ND --Brown's New 46,'1995 830 550 7.5 260 68 23 75 ND 210 ND ND 260 190 35 9.1 ND ND D.2 LI ND NO ND ND --Brown's New 7/6/1995 830 550 7.4 280 74 24 74 6 210 ND ND 250 190 37 9.3 ND ND ND 1.2 ND 50 ND 80 -Brown'sNew 11/11/1995 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 /> BrowrsNew 1/11/19% 860 560 74 270 72 23 81 ND 240 ND ND 3D0 180 39 9.4 ND ND 0.4 1.1 ND ND ND ND - - <br /> Brown's NM' 52/1996 840 510 74 290 69 28 78 2 220 ND ND 270 180 41 11 ND ND 0.5 1.1 ND 1,900 ND ND - - <br /> BrownsNew 7/10/1996 850 510 9.1 280 71 26 75 ND 210 12 110 ND 190 40 11 ND ND 0.2 1.1 ND ND ND ND - - <br /> Browns New 10/16/19% 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 /> Browns New 1/21/1997 880 540 79 288 75 25 78 2 200 ND ND 240 210 42 8.5 ND ND 0.2 1.2 ND 180 ND ND - - <br /> Browns New 7/3/1997 820 580 7.2 300 76 26 87 2 190 ND ND 240 190 41 6.8 ND ND 0.1 1.3 ND 7,400 290 ND - - <br /> Browns New 1/27/1998 810 470 7.5 250 64 22 76 1 180 ND ND 220 180 40 6.1 ND ND 0.2 LI 60 46,000 1,700 ND - - <br /> Browns New 9/72000 865 570 7.2 256 68 21 81 2 200 ND ND 240 188 40 8.3 ND - 0.2 1.1 ND ND ND ND - - <br /> Browns New 2/21/2001 872 570 6.9 272 71 23 82 2 200 ND ND 250 199 41 7.7 ND - 0.1 1.24 30 7,750 260 40 - - <br /> Brown's New 5/23/2001 865 580 6.8 286 75 24 81 2 200 ND ND 250 186 39 7.8 ND - 0.1 1.2 10 680 30 20 - - <br /> Browns New 11/23/2009 850 540 8.0 261 70 21 82 2 200 ND ND 240 181 38 8.5 <0.3 - 0.2 1.2 <10 140 <10 �10 - - <br /> Browns New 5252010 833 520 74 261 70 21 81 2 190 ND ND 230 180 38 99 <0.3 - 0.2 1.1 <I0 110 <I0 QO - - <br /> Brown's New 11/302010 822 560 74 268 71 22 76 2 180 ND ND 220 170 36 83 <0.3 - 0.1 1.1 70 4,530 70 20 - - <br /> Bmwns New 5/23/2011 832 540 7.2 259 69 21 75 2 180 <10 <10 220 177 36 9.1 <0.3 - 0.2 L 1 300 16,700 300 60 - - <br /> Brown's New 11/172011 833 510 8.0 266 72 21 84 2 180 <10 <10 220 178 38 10.2 -�Z.3 - 0.2 IT <10 440 10 QO - - <br /> Brown's New 5/31/2012 843 510 7.7 260 71 22 82 2 180 <10 <10 220 175 38 9.4 <0.1 - 0.2 1.1 <10 60 <10 <20 NS NS <br /> Browns New 11/202012 834 550 7.9 278 75 21 77 2 180 <ID <10 230 171 37 9.8 <0.1 - 0.2 1 <10 120 <10 80 NS NS <br /> Browns8l 3/1/1994 960 580 7.5 277 70 25 83 ND 195 ND ND 238 171 41 12.2 ND ND 0,2 I1 ND ND ND 100 - - <br /> Browns Nl 6/1/1994 850 500 7.4 330 68 33 94 ND 200 ND ND 240 150 30 12 ND ND ND 1.2 ND ND ND ND - - <br /> Brown's 01 10/4/1994 900 550 7.5 290 71 26 84 ND 204 ND ND 250 160 42 12 ND ND 0.1 I.1 ND ND ND ND - - <br /> Brownskl 1/19/1995 850 540 7.5 290 68 29 72 2 190 ND ND 230 130 68 30 ND ND 0.2 1 ND 400 ND 60 - - <br /> Brown's41 426/1995 900 580 8 310 70 32 70 ND 210 ND ND 250 180 43 22 ND ND 0.2 I - 3,200 30 190 - - <br /> Browns4l 1/11/1996 870 580 76 290 67 30 76 ND 260 No NO 310 170 41 17 ND ND 0.2 1.1 ND 9,300 130 190 - - <br /> Browns4l 52/1996 880 540 7.3 320 68 36 80 3 220 ND ND 260 190 50 16 ND ND 0.6 1.1 ND 5,800 190 580 - - <br /> BMWs 4l 1/21/1997 870 560 7.7 311 72 32 73 3 210 ND ND 250 200 45 16 ND 0.5 0.2 1.2 ND 4,900 110 130 - - <br /> Brown's 41 4/9/1997 880 560 66 320 77 32 74 2 210 ND ND 260 190 47 15 ND ND 0.9 1.2 ND 2,700 60 50 - - <br /> BmwnsNl 7/3/1997 870 680 7.5 320 76 32 78 3 210 ND ND 250 190 43 14 ND ND 0.3 1.2 ND ND ND ND - - <br /> Bmwns4l 10/1N1997 850 SM 7.6 290 68 29 76 6 210 ND ND 260 180 40 13 ND ND 0.4 1.3 RD 740 ND ND - - <br /> Brown's 8l 1/27/1998 860 530 7.5 290 69 29 69 2 220 ND ND 270 170 40 16 ND 0.5 0.2 1,2 ND 1,500 ND 80 - - <br /> sAroo roar r ors <br /> L I I I I I I I I I I I I I I I ! l I <br />