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' Second Quarter Groundwater Monitoring Report-May 2010 <br /> Sutter Home Winery <br /> ' Page 6 <br /> Table 4: Groundwater Laboratory Analytical Results-Second Quarter 2010 <br /> ' Constituent GW-1 GW-2 GW-3 GW4 GW-5 GW-6 GW-7 GW-8 GW-9 <br /> Date 5/4/10 5/5/10 5/6/10 5/6/10 5/6/10 5/6/10 5/6/10 5/5/10 5/5/10 <br /> Nitrate as Nitrogen mg/L 2.16 7.13 22.3 4.37 15.7 3.14 14.7 18.3 21.6 <br /> Total Kjeldahl Nitrogen mg/L <1.00 <1.00 <1.00 <1.00 <1.00 <1.00 2.69 <1.00 <1.00 <br /> Specific Conductance umhos/cm 860 1100 736 757 1170 1340 899 1140 793 <br /> Ht pH units 6.68 7.45 7.27 7.26 7.22 7.33 7.45 7.42 7.52 <br /> ' Total Dissolved Solids mg/L 509 1 688 469 460 710 810 1 565 713 1 509 <br /> Fixed Dissolved Solids mg/L 407 349 316 314 503 605 442 514 402 <br /> Sodium mg/L 16 108 29.7 33.9 48.2 94.1 56.3 112 43 <br /> ' Chloride mg/L 6.59 36.6 11 16.4 47.8 51.1 20 14 15.4 <br /> Boron µg/L 177 215 104 113 118 218 165 229 180 <br /> Iron mg/L 41.6 1.69 20.1 3.08 11.1 7.12 65.3 8.57 76.4 <br /> ' Manganese µg/L 1800 71.0 482 2530 820 6390 832 288 3700 <br /> mmonia-NH4 mg/L <1.29 1 <1.29 <1.29 <1.29 <1.29 <1.29 <1.29 <1.29 1 <1.29 <br /> Total Nitrogen mg/L 2.16 7.13 22.3 4.37 15.7 3.14 17.39 18.3 21.6 <br /> romoform µg/L <0.5 <0.5 <0.5 <0,5 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> romodichloromethane µg/L <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <br /> Chloroform µg/L <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> ' ibromochloromethane L <0.37 <0.37 <0.37 <0.37 <0.37 <0.37 <0.37 <0.37 <0.37 <br /> Constituent GW-10 GW-11 GW-12 GW-13 GW-14 GW-15 GW-16 GW-17 GW-18 <br /> Date 5/5/10 5/5/10 5/4/10 5/4/10 5/5/10 5/5/10 5/4/10 5/4/10 5/4/10 <br /> Nitrate as Nitrogen mg/L 24.4 26.8 17.3 14.0 11.7 18.8 3.09 2.14 2.25 <br /> Total Kjeldahl Nitrogen m <1.00 <1.00 <1.00 <1.00 <1.00 <1.00 <1.00 <1.00 <1.00 <br /> ' <br /> Specific Conductance umbos/cm 990 935 699 1060 1180 1110 865 869 904 <br /> Hr pH units 7.37 7.50 8.40 7.38 7.41 7.30 7.42 7.32 7.47 <br /> Total Dissolved Solids mg/L 623 1 597 454 658 732 659 504 526 562 <br /> ' fixed Dissolved Solids m 2 438 378 291 419 488 463 331 277 368 <br /> Sodium m /L 40.8 92.3 65.7 91.8 92.6 78.8 62 48.3 49.6 <br /> Chloride m L 20.6 16.7 20.1 28 22.6 26.1 40.1 46.8 26.1 <br /> Boron 186 219 230 300 258 259 222 220 261 <br /> Iron m /L 13.5 46.4 28.3 104 24.7 26.5 157 94.1 162 <br /> Manganese 2040 2660 608 1750 3480 1560 3780 1670 3500 <br /> Ammonia-NH4 m L <1.29 <1.29 <1.29 <1.29 <1.29 <1.29 <1.29 <1.29 <1.29 <br /> Total Nitrogen mg/L 24.4 26.8 17.3 14.0 11.7 18.8 3.09E<037357 <br /> romoform /L <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> romudichloromethane µ <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <br /> ' Chloroform <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> ibromochloromethane µg L <0.37 <0.37 <0.37 <0.37 <0.37 <0.37 <0.37 <br /> mg/L=milligrams per liter=parts per million(ppm) umhos/cm=micromhos per centimeter <br /> ' µg/L=micrograms per liter=parts per billion(ppb) <br /> ' Field measurements for pH were collected to meet EPA recommended 15-minute hold times. <br /> Bold= exceeds intra-well interim background concentration and water quality objectives for those wells with sufficient monitoring <br /> ' history. Interim background groundwater concentration is determined as the maximum value of each constituent over the second <br /> through ninth sampling events(eight events total)conducted for each well. The first sampling event was not used due to the potential <br /> for well construction materials to artificially elevate the groundwater monitoring salinity data. See Historic Groundwater Monitoring <br /> Data,Appendix B,for specific intra-well background data. <br /> 1 <br /> O <br /> ' COND R <br />