2016-05-16_HYDROLOGY - M1977344 - Laserfiche WebLink

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Table E-2 Groundwater Quality Data for Monitoring Wells MW-6 through MW-12-2003 through 2004 Holcim(US)Inc. Florence,CO Analyte 8/7/2003-8/8/2003 1/16/2004 4/9/2004 7/9/2004 Field Parameters I MCL MW-6 MW-7 MW-8 MW-9 MW-10 MW-11 MW-12 MW-10 MW-10 MW-10 pH(std.units) . 6.5-8 5b 6 9 7 2 7.1 7.4 7.4 7.5 7.2 6 6 7.7 6.7 Conductivity(ps/cm) NA 3430 2260' 2470 2620' 2950 3070 3450 4650 4000 3530 Temperature(°C) NA 21 181 18 18 21 23 22 11 13 22 Laboratory Results I MCL 1 1 , pH(std.units) 6.5-8.5° - 6.8 7.0 7.2 7.1 7.1 7.2 7.0 6.8 6.8 7.1 Conductivity(ps/cm) NA 3900 J 3200 J 3100 J 3400 J 3200 J 3300 J 3800 J 3800 J 4200 3900 J Total Dissolved Solids 1.5 x bkg 4400 3200 3300 3600 3300 3500 4200 4000 3800 J 3400 Chlonde 250° 37.0 J 25 J 26.0 J 28.0 27 J 28 J 37 J 22 J 19 J 27 J Sulfate 250° 2500 J,Q 1800 J,Q 1800 J,Q 2100 J,Q 1800 J,Q 2100 J,Q 2400 J,Q 2300 J,Q 2200 Q 2000 J,Q • Alkalinity _ NA 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5.0 U 5 0 U 5.0 U Hardness,as CaCO3 NA 2800 1900 1900 2300 1900 1900 2500 2800 2400 2000 Fluoride 2.0° 0.57 J 0 89 J 1 2 J 1.5 J 0 9 J 1.1 J 4.4 J 0.73 0 68 J 0.74 J Ammonia _ NA 0.1 U 0.31 0.74 0.60 0.56 0 37 0.28 0.10 U 0.10 U 0.10 Nitrate as N 10.0° 2.9 0.1 U 0 005 B 0.015.8 6.8 0.063 0.002 U 100 84 28 Q Nitrite 3 3° NA NA NA NA NA NA NA 0.15 0.58 Q 0 041 Potassium NA 16 11 8 9 9 1 22 26 26 28 26, 23 Sodium NA 130 170 170 130 180 200 200 130 J 130 210 J Arsenic 0.05° 0.006 0.0017 B 0.0016 B 0.005 U 0.0048 B 0.0035 B 0.0035 B 0.016 0.013 0.0028 B Antimony 0 006° 0.002 U 0.00005 B 0.0012 B 0 00063 B 0 000097 B 0.0011 B 0.0029 0.00037 B,J 0.00033 B 0 00021 B Barium 2.0° 0.011 J 0.034 J 0.024 J 0.017 J 0.02 J 0.048 J 0.099 J 0.028 0.026 J 0.016 Beryllium 0.004° 0.005 U 0.005 U 0.005 U 0.005•U 0.005 U 0.005 U 0.005 U 0.0050 U 0.0050 U 0.00066 B Cadmium _ 0.005° 0 005 U 0.005 U 0 005 U 0 005 U 0.005 U 0.005 U 0.00036 B 0.0050 U 0 0050 U 0.0050 U Chromium 0.01° 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U 0.012 0.017 0.010 U 0.010 U 0.010 U Lead 0.05° 0.0002 B 0.0012 0.00043 B 0 00018 B 0 00041 B 0.0015 0.0052 0.00099 B 0.00031 B 0.00013 B Mercury - 0.002° 0 0002 U 0.0002 U 0.0002 U 0.0002 U 0.0002 U 0.0002 U 0.0002 U 0.0002 U 0 0002 U 0.0002 U Nickel 0.1° 0.054 0 04 U 0 019 B 0 013 B 0.013 B 0.032 B 0.071 0.017 B 0.010 B 0.018 B Selenium 0.02° 0.32 0.0015 B 0.0055 0 002 B 0.21 0.021 0.0086 0.77 0.76 0.20 Silver 0.05° 0.001 U 0.000019 B 0 001 U 0 0011J 0 001 U 0.00003 B 0 000078 B 0.000020 B 0.000036 B 0.0010 U Thallium 0.002° 0.00032 B,J 0.001 0.000076 B,J 0.000032 B,J 0.0.00074 B,J 0.000088 B,J 0.00015 B,J 0.00016 B 0.00016 BJ 0.00017 B Vanadium _ 0.1° 0.005 U 0.003 B 0 005 U 0 005 U 0 005 U 0 003 B 0.011 0 0022 B 0.0050 U 0 0050 U Zinc 2.0° 0.027 0.0087 B 0.0083 B 0.0058 B 0.007300 B 0.016 0.027 0.016 0.011 0.0065 B,J Aluminum 5.0° 0.17 J 1.1 J 0 2 J 0.078 B,J 0.25 J 2.6 J 11 J 0.21 J 0.12 0.046 B,J Iron 0.3° 0.061 B 4.5 1.7 0.32 1.0 2.1 8.50 0.35 0.19 0.021 B Manganese 0.05° 0.0046 B 0.31 0.29 0.61 0.18 0.2 1.1 0.082 0.053 0.12 Magnesium NA 400 190 180 250 210 200 330 290 260 210 Calcium NA 480 440 450 500 430 430 470 650 540 L 450 J Note: U-indicates that the analyte was analyzed for but not detected. Detection limit is numeric value shown a)MCL source Table 1 Human Health Standards,Regulation 41 Q-indicates elevated reporting limit due to high analyte level b)MCL source Table 2 Secondary Drinking Water Standards,Regulation 41 All units are in mg/L unless noted otherwise c)MCL source Table 3 Agricultural Standards for Groundwater,Regulation 41 NA indicates not available d)MCL for nitrate is 10 0 mg/L as N Bolded values=MCL exceeded,italicized values=reporting limit greater than MCL e)MCL for nitnte is 1 0 mg/L as N B-Estimated result Result is less than the reporting limit J-Method blank contamination The associated method blank contains the target analyte at a reportable level Page 1 of 1