2012-06-20_PERMIT FILE - C2010089A (10)

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'"0 $13 CM CD I- IV TABLE 2.04.7 -2 SUMMARY OF NHN GROUND WATER BASELINE WATER QUALITY COAL ZONE COAL ZONE MONITORING HOLES WQCC STANDARDS GW -N48 GW -N51 GW -N54 Drinking NW NEST EAST NEST SW NEST FIELD_PARAMETERSS Water Agusiiltu_r_ai MIN. MAX. AXiG MIN. MAX. AVG. MIN. MAX. AVG. Ph 57 61 59 537 658 584 68 72 70 Water Temperature (deg C) 12 4 17 2 13 9 13 40 17 10 14 80 12 2 13 40 12 7 Conductivity (umhos /cm) 1165 1740 1425 812 1139 951 4090 5050 4626 Depth, ft. 6 1 16 5 10 0 4 91 23 32 11 31 61 3 69 30 65 1 Depth (elev. It msl) 5702 0 5712 4 5708 5 5730 7 5749 1 5742 7 5652 5 5660 49 5656 7 LA ORATORY PARAMETERS MD L'S Units Metals Analysis: Aluminum, dissolved 0.06 mg /L 5 01 0 2 01 016 0 27 017 U u u Calcium, dissolved 0.4 mg /L 194 0 245 0 214 4 113 00 156 00 136 20 410 458 440 Iron, dissolved 0 04 mg /L 0 3 5 19 6 32 2 24 9 2 26 1010 5 61 0 1 1 30 0 6 Lead, dissolved 0.2 ug /L 100 U 0 2B 0 2B U 0 2B 0 2B U U u Magnesium, dissolved 0.4 mg /L 99 2 130 0 109 8 44 70 85 70 62 80 502 619 554 Manganese, dissolved 0.01 mg /L 0.05 0 2 1 6 2 0 1 7 0 75 19 20 4 53 0 2 055 0 4 Molybdenum, dissolved 0.02 mg /L u u u u u u u u u Potassium, dissolved 0.6 mg /L 8 2 10 2 9 2 5 20 10 90 7 80 26 0 27 50 26 9 Selenium, dissolved 02 ug /L 20 u 020 010 U 0 2B 0 2B 08 080 08 Sodium, dissolved 0.6 mg /L 52 5 57 3 55 0 22 70 50 30 35 60 189 0 21300 202 8 Wet Chemistry: Bicarbonate as CaCO3 2 mg /L 101 0 143 0 118 2 21 00 275 00 107 20 448 596 536 Carbonate as CaCO3 2 mg /L u u u u u u u u u Hydroxide as CaCO3 2 mg /L u u u u u u u u u Total Alkalinity 2 mg /L 101 143 118 21 275 107 448 596 536 Cation - Anion Balance % 07 63 33 -120 480 158 -0 2 610 30 Sum of Anions 0 1 meq /L 20 2 26 8 22 5 11 9 17 6 13 9 68 4 74 6 72 7 Sum of Cations 0 1 meq /L 21 7 27 8 24 0 12 0 17 7 14 4 72 3 84 0 77 3 Chloride 1 mg /L 250 140 160 152 70 150 114 980 1650 1306 Conductivity @25C 1 umhos /cm 1650 1980 1804 1070 1410 1204 4550 5050 4788 Hardness as CaCO3 1 mg /L 893 1150 988 489 737 599 3160 3690 3378 Nitrate as N, dissolved 0 02 mg /L U 0 046 0 04B U 0 98 0 36 U 0 03 0 03 Nitrate/Nitrite as N, dissolve 0 02 mg /L 100 U 0 0413 0 04B HU 0 99 0 37 HU 006 0 1 Nitrite as N, dissolved 0.01 mg /L 10 u 0 016 0 016 0 01 0 03 0 02 HU 005 0 03 Nitrogen, ammonia 0.05 mg /L 26 31 28 254 390 349 27 327 30 pH (lab) 0.1 6.5 - 8.5 6 5 - 8 5 65H 71H 6 8H 58 77 67 77 810 79 Phosphate 0 03 mg /L u 0 068 0 060 0 03B 018 0 08 U 009 01 Phosphorus, ortho dissolved 001 mg /L O 01HB 002HB 0021-113 0011-IB 006HB 003HB U 003 002 Residue, Filterable (TDS) @180 deg. C 10 mg /L 1460 1830 1592 810 1160 950 4650 5450 5058 Sodium Absorption Ratio in Wat 0.03 mg /L 0 7 0 8 0 8 0 40 0 81 0 63 1 5 1 57 1 5 Sulfate 10 mg /L 250 840 1120 940 350 700 546 2500 5800 3380 TDS (calculated) 10 mg /L 1320 1700 1444 764 1100 876 4190 4640 4460 TDS (ratio - measured/calculat 1 1 1 1 1 1 1 05 1 12 1 09 1 1 117 1 1 MDL - MINIMUM DETECTION LIMIT 1. U = not detected at MDL (Minimum Detection Limit) 2. H - Exceeded hold time 3. B = Analyte concentration detected at a value between MDL and PQL (practical quantification level)