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r i r v r r r r r i Table 4 Historical Groundwater Quality Record Teichert Aggregates and Granite Construction-Vernalis Area, San Joaquin County (all units in mg/L,unless otherwise specified) Total Total Coliform Sampling EC TDS pH Hardoma Ca Mg Na K Alkalinity OH CO3 HCO3 SO4 CI NO3 NO2 P F B Cu Fe Mn Zn Total Fecal Paint Date fuse.) as Caco3 as CaCO3 .s014 as CO3 mHCO3 as NO3 as NO2 rue/L) (ug/Id (pe/Id IWL) (MPN/100 mL) Maximum Contaminant 6.5to Level' 900' 500• 85' 250" 250" 45 3 2 1,000' 300• 50• 5,000' Brown's#1 8/18/1999 960 630 7.5 313 76 30 80 2 220 ND ND 270 201 42 12.1 ND -- 0.3 1.1 ND 340 ND ND --- -- l3w.ds#1 2/24/2000 940 600 7.1 307 72 31 77 3 210 ND ND 250 197 48 20.4 ND -- 0.2 LI ND 630 ND 90 --- -- Brown's#1 5/162000 936 610 7 310 73 31 78 3 210 ND ND 250 195 47 21.4 ND -- 0.2 1.1 ND 650 ND ND -- -- Bm"'s#1 922000 916 600 7.3 287 69 28 79 2 210 ND ND 250 195 45 15.6 ND - 0.3 1 ND ND ND ND -- -- Brown's#1 11282000 931 600 7.2 301 71 30 79 3 210 ND ND 250 191 47 20.1 ND - 0.1 1.17 ND 1,690 20 50 -- - Brown's#1 2212001 864 530 6.9 280 66 28 74 3 200 ND ND 240 163 53 27.4 ND - 0.2 1.12 ND 780 20 30 -- - Brown's#1 5232001 869 570 7.2 286 70 27 76 3 210 ND ND 250 173 45 16.9 ND - 0.1 1.08 ND ND ND 20 - - Brown's#1 8282001 925 620 7.7 288 71 27 84 3 210 ND ND 260 195 48 19.4 ND - 0.3 1.07 ND 2,010 20 30 - - Bmwn's#1 12/112001 873 590 7.5 282 67 28 71 2 200 ND ND 250 159 48 26.5 ND - 0.2 1 ND 490 ND ND - - Bmo Ws#1 3/122002 808 510 7.2 268 63 27 67 3 190 ND ND 240 127 55 33.8 ND - 0.1 0.92 ND 200 ND ND -- - Browo's#1 6/192002 780 510 7.5 238 56 24 66 2 190 ND ND 230 111 53 30.7 ND - 0.2 0.88 No 310 ND ND -- - 13..es#1 822002 772 490 7.5 245 57 25 64 3 190 ND ND 230 108 46 24.4 ND - 0.2 0.81 ND 480 10 ND -- - Bmo s#1 10222002 770 500 7.8 248 58 25 66 3 190 ND ND 230 115 48 26.3 ND - 0.2 0.88 ND 240 ND ND -- - Bmwn's#1 1282003 694 410 8 222 51 23 54 3 180 ND ND 220 60 62 38.9 ND - 0.2 0.66 ND 4,650 70 ND - - Bmwds#1 4292003 807 530 7.3 261 60 27 69 3 190 ND ND 230 127 55 43 ND - 0.1 0.87 ND 70 ND ND - - Bmwn's#1 8/132003 913 580 7.6 297 68 31 70 3 190 ND ND 230 169 54 39.9 ND -- 0.3 1 ND 200 ND ND -B..'.#1 11/192003 930 630 7.1 300 69 31 71 3 200 ND ND 240 175 56 23.8 ND - 0.3 0.9 ND 1,800 40 ND - - Brown's#1 2/172004 869 560 6.3 293 68 30 68 3 190 <10 <10 230 136 58 46.5 <0.3 - 0.3 1.0 10 1,380 50 80 -- - B.,S#1 5/18/2004 804 520 7.1 252 58 26 67 3 180 <10 <10 220 102 60 48.5 <0.3 - 0.3 0.8 <10 2,600 80 <0 - - Brown's#1 8/24/2004 814 490 6.6 279 64 29 68 3 190 <10 <10 230 118 58 42.7 <0.3 -- 0.4 0.9 <10 1,000 40 QO - - Browo's#I 1222004 760 490 7.4 257 65 23 74 2 170 <I0 <IO 210 99 65 38.8 <0.3 -- 0.3 LO <10 <50 <10 QO -- -- Grarute#3 2222006 994 650 7.3 316 82 27 89 2 210 <10 <10 250 226 53 10.6 0.5 - 10.1 1.1 30 5,740 330 40 - -- Gmnite#3 5/312006 1,020 680 7.5 336 87 29 90 2 210 <10 <10 260 238 54 10.8 1.3 - 0.2 1.2 80 4,770 270 20 - -- Granite#3 8212006 1,020 680 7.5 309 81 26 87 2 210 <10 <10 250 234 53 10.8 <0.3 - 0.1 1.0 40 4,020 220 30 - - G.,dte#3 11/142006 1,010 700 7.5 332 87 28 93 2 210 <10 <10 250 225 52 10.8 <0.3 - 0.2 1.06 40 3,780 240 20 - -- G..ite#3 2/132007 1,010 710 7.6 318 83 27 92 2 210 <10 <10 260 248 55 10.1 m.3 - 0.3 0.95 20 6,130 430 <0 - - Gmnite#3 8/142007 994 660 7.0 330 86 28 98 3 210 <10 <10 260 229 52 10.7 11.3 -- 0.2 1.14 <10 1,570 70 30 - -- Gmwe#3 5/12008 996 670 7.6 316 82 27 92 2 200 <10 <10 240 224 49 11.1 <0.3 - 0.3 1.1 <10 SO <IO 140 - - Grarate#3 8262008 1,030 720 7.1 331 85 29 % 2 200 <10 <10 250 233 53 12.1 m.3 - 0.1 1.2 <IO 660 30 150 --- -- C",ute 43 1125/2008 1,020 630 7.9 320 82 28 92 2 200 <10 <10 250 237 55 11.9 m.3 - dO.1 1.2 <10 1,880 70 100 - -- Grarute#3 2/10/2009 1,020 680 7.9 329 84 29 91 2 200 <10 <10 250 230 54 13.0 <0.3 -- 0.1 1.1 <10 1,320 60 50 -- -- Gmnite#3 5/5/2009 1,030 660 8.3 341 87 30 92 2 200 <10 <10 250 237 57 13.3 11.3 - 0.2 Ll <10 3,890 90 90 -- -- Grarute93 11/232009 1,010 640 7.8 325 84 28 91 2 200 <10 <10 240 235 56 13.7 <0.3 - 0.2 1.1 <10 470 40 70 --- - 0n to 43 5252010 980 640 7.3 321 84 27 92 2 200 <10 <10 240 218 52 13.2 <O.3 - 0.2 LO <10 70 <10 <0 -- - Grarute#3 11/302010 970 660 7.2 323 85 27 87 2 190 <10 <10 240 211 51 13.4 10.3 - 0.2 LI <10 <50 <10 180 -- -- Granite#3 5232011 877 570 6.9 291 77 24 79 2 ISO <10 <10 220 181 45 16.5 <0.3 - 0.2 0.9 <10 2,110 40 220 -- - Granit.#3 11/17/2011 939 570 7.8 317 84 26 95 2 190 <10 <10 240 201 50 15.6 41.3 - 0.1 1.1 20 100 <10 ISO -- -- Granite#3 5/312012 983 620 7.6 321 84 27 93 2 190 <10 <10 230 212 53 13.7 <0.3 - 0.1 1.1 <10 <50 <10 40 NS NS Gr..me#3 11202012 959 630 7.6 328 87 27 86 2 190 <10 <10 240 205 51 14.2 <D.3 - 0.2 1.1 <10 <50 <IO 40 NS NS Granite#3 5202013 960 630 7.5 316 82 27 92 2 200 <10 <10 240 211 51 13.1 11.3 - 0.1 1.1 <10 <50 <10 40 NS NS 3/184015 PW 3 of9