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TON mg/L EPA 353.2/SM 4500 9.6 6.7 3.4 10.9 8.9 3.37 23 82 / 83 75 22 16 33 /34 49/42 66.6 3.4 ND < 0.2 ND < 0.2 ND< 0.20 0.55 0.42 2.80 0.48 7.30 11.9 27.9 19.7 27.4 1.86 5.00 J 0.86 3.8 <br /> Ammonia as Nitrogen mg/L SM 4500 ND<1.0 0.58 0.35 0.31 ND<0.30 ND<0.30 53 580/ 580 -- 680 64 59/ 59 41 / 85 304 370 84 86.6 167 73.2 59.7 2.53 77 170 4.2 1.6 1.46 1.2 1.56 0.78 0.63 0.28 <br /> Chloride mg/L EPA 9056 136 154 170 147 163 161 150 180/ 190 -- 220 150 -- 130/ 140 73.7 126 203 145 115 150 167 143 -- 160 315 311 252 199 172 149 -- 170 <br /> Sodium mg/L EPA 6020 -- -- -- -- -- -- 133 28.4/28.1 -- 58.5 94.6 -- 68.6/65.7 -- -- -- -- -- -- -- -- -- 120 -- -- 120 <br /> Sulfate mg/L EPA 9056 110 135 126 124 146 96.5 120 460/490 -- 350 160 -- 140/ 150 98.4 87.9 103 106 102 68.3 111 108 -- 51 147 209 167 134 113 114 -- 150 <br /> Sulfide, total mg/L EPA 376.2 ND <0.10 ND <0.50 ND <0.10 ND <1.5 1 ND <0.10 ND <0.10 ND < 0.050 ND <0.05 -- ND < 0.050 ND < 0.050 -- ND < 0.050 /ND < 0.050 ND <0.10 ND <0.10 ND < 0.10 ND < 0.10 ND < 0.10 ND < 0.10 ND <0.10 ND <0.10 -- ND < 0.050 0.11 ND <0.10 ND < 0.10 ND < 1.5 ND<0.10 ND <0.10 -- ND <0.050 <br /> Total Dissolved Solids mg/L SM 2540 C -- 1680/2020 -- 870 -- -- -- -- -- <br /> Dissolved Metals <br /> Dissolved Arsenic mg/L EPA 7060A ND<0.005 ND <0.005 ND<0.005 ND < 0.005 ND< 0.005 ND <0.005 -- -- 0.095 0.052 0.034 0.023 0.031 ND < 0.005 0.020 0.022 ND <0.005 ND <0.005 ND <0.005 ND < 0.005 ND < 0.005 ND <0.005 <br /> Dissolved Chromium mg/L EPA 6010B ND<0.005 ND <0.005 ND<0.005 ND < 0.005 ND< 0.005 ND <0.005 -- -- 0.006 ND <0.005 ND < 0.005 ND < 0.005 ND <0.005 ND < 0.005 ND <0.005 ND<0.005 0.011 0.008 0.006 0.006 0.008 0.007 <br /> Dissolved Copper mg/L EPA 6010B ND<0.005 ND <0.005 ND<0.005 ND < 0.005 ND< 0.005 0.005 -- -- 0.013 ND <0.005 ND < 0.005 ND <0.005 ND < 0.005 ND < 0.005 ND <0.005 ND<0.005 ND <0.005 0.005 ND <0.005 ND < 0.005 ND <0.005 ND <0.005 <br /> Dissolved Iron mg/L EPA 200.7 0.034 0.664 ND<0.100 ND < 0.030 0.116 0.137 1.05 1.01 / 1.23 ND <0.100 0.103 0.771 0.339 ND < 0.100/ND <0.100 0.118 10.7 6.82 3.32 2.34 3.53 4.22 ND<0.030 7.68 7.80 ND <0.030 0.181 ND <0.030 0.087 0.049 0.212 0.803 0.400 <br /> Dissolved Manganese mg/L EPA 200.7 ND<0.010 0.176 0.012 ND < 0.005 0.005 0.105 0.107 0.0632 /0.0656 0.0597 0.948 0.0884 3.24/3.09 0.112/0.671 1 0.572 6.06 4.69 3.52 1.99 3.28 4.23 3.34 6.89 6.43 ND <0.010 0.051 ND <0.010 0.01 ND<0.005 0.014 5.23 3.61 <br /> Dissolved Mercury mg/L EPA 7470A ND <0.0005 ND<0.0005 ND <0.0005 0.00163 ND<0.0005 ND <0.00050 -- -- ND <0.0005 ND <0.0005 ND<0.00050 ND <0.00050 ND <0.00050 ND <0.00050 ND <0.00050 ND <0.00050 ND <0.00050 ND <0.0005 ND <0.00050 0.00086 ND<0.00050 ND <0.00050 <br /> Dissolved Nickel mg/L EPA 6010B ND<0.005 0.005 ND<0.005 ND < 0.005 ND< 0.005 ND <0.005 -- -- 0.016 0.025 0.010 0.008 0.011 ND < 0.005 0.008 0.006 ND <0.005 0.009 ND <0.005 ND < 0.005 ND < 0.005 ND <0.005 <br /> Dissolved Zinc mg/L EPA 6010B 0.015 0.426 0.342 0.297 ND<0.010 0.100 -- -- 0.288 0.431 0.048 0.251 0.011 ND < 0.010 ND< 0.010 0.034 0.022 0.387 0.282 0.191 ND<0.010 0.080 <br /> Total Metals <br /> Iron mg/L EPA 200.7 58.7 34.4 64.3 58.9 42.4 21.3 19.5 /4.59 -- 5.56 -- 7.77 13.8 7.55 10.3 8.7 13.2 6.16 5.11 -- 41.9 77.4 37.5 40.4 22.8 35.4 -- <br /> Manganese mg/L EPA 200.7 1.75 0.83 1.70 1.50 1.80 0.618 0.553 /0.175 -- 0.305 -- 0.603 2.1 4.51 2.95 2.15 3.44 3.61 3.17 -- 1.12 1.68 0.89 1 0.74 0.866 -- <br /> Phosphorus mg/L EPA 200.7 1.1 ND <1.0 1.2 ND < 1.0 2.3 0.11 -- -- 126 60.3 10.9 16.8 30.8 16.3 10.7 9.81 ND <1.0 1.7 ND < 1.0 1.3 1.5 0.79 <br /> Field Parameters <br /> pH pH Probe 7.3 7.2 6.8 7.0 7.2 6.7 6.3 6.7 6.8 7.0 6.6 6.4 6.6 7.3 6.9 6.6 7.0 7.1 7.5 6.8 6.8 6.3 6.7 7.4 7.4 7.1 7.2 7.5 7.2 6.4 6.8 <br /> Conductivity µg/S Probe -- -- -- -- -- 1,521 2147 5,262 5,125 6,621 1,863 2,024 2,597 -- -- -- -- -- -- -- 1,710 2,114 2,057 -- -- -- -- -- 1,145 1,257 1,409 <br /> Dissolved Oxygen mg/L Probe -- -- -- -- -- 2.3 1.4 0.21 1.46 0.85 0.28 2.3 0.79 -- -- -- -- -- -- -- 1.0 1.9 0.86 -- -- -- -- -- 1.3 3.1 0.65 <br /> ORP mV Probe -- -- -- -- -- 66 1 154 1 175 -- -163.4 1 150 1 125 1 -80.4 -- -- -- -- -- -- -- -151 -130 1 -158.9 -- -- -- -- -- 93 92 32.8 <br /> "-/-"indicates sample result/duplicate sample result <br /> "--"means not analyzed or collected <br /> *Pre-injection(baseline)sample results: MW-4,MW-6,MW-2,MW-5 were sampled prior to the origional pilot study injections,and MW-4,MW-6R,MW-7,MW-2,MW-5 were sampled prior to the expanded pilot study injections <br /> The reporting limit for this analyte was raised to account for matrix interference. <br /> J-Detected below reporting limit;Result is an estimated concentration <br /> TON-Nitrogen,Nitrate plus Nitrite <br /> VOC-volatile organic compound <br /> (1)For MW-2 from 2002 to 2008 only annual data is shown to provide historical concentrations prior to the expanded pilot test.A table showing all sample results collected to date is provided in the CD,attachment 3 prior to the expanded pilot test.A table showing all sample results collected to date is provided in the CD,attachment 3 <br /> *Initial Remediation Pilot Study pre-injection baseline results <br /> **Expanded Pilot Test pre-injection baseline results <br />