2022-05-06_HYDROLOGY - M2012032

• Permit No: M2012032
• IBM Index Class Name: Hydrology
• Doc Date: 5/6/2022
• Doc Name: Water Monitoring - Groundwater
• From: Ouray Silver Mines
• To: DRMS
• Annual Report Year: 2022
• Report Quarter_Month: 1
• Email Name: LJW
• Email Name: THM
• Media Type: D
• Archive: No

Q1 2022 Groundwater Data
Station Name Units GW GW-IA GW-1B GW-2A GW-2B GW-3R GW-3B GW-99 GW-0
Standards
Field Sample ID GWAA GWAB GW-2A GW-2B GW-3R GW-3B GW-99 GW-0
Sample Date 3/3/2022 3/3/2022 3/3/2022 3/3/2022 3/2/2022 3/2/2022 3/3/2022 3/3/2022
Result DQ RC Result DQ RC Result DQ RC Result DQ RC Result DQ RC Result DQ RC Result DQ RC Result DQ RC
Field Parameters
Conductivity,Field us/cm NA dry 1010 1070 780 560 630 1070 1490
TDS.Field mg/I NA -99 00 -99 00 -99 00 -99 00 -99 00 -99 00 -99 00
ORP.Field mV NA 27300 27200 13800 40700 42700 27200 25700
DO,Field % NA -99 00 -99 00 -99 00 -99 00 -99 00 -99 00 -99 00
pH,Field s u NA 746 701 626 726 730 701 823
Water Temp.Field deg C NA 080 240 320 420 590 240 1100
Lab Parameters
Aluminum,dissolved mg/L 5 <0 25000 U <0 25000 U <0 25000 U <0 25000 U <0 25000 U <0 25000 U <0 25000 U
Antimony,dissolved mg/L Report 000081 B,J D 000124 B,1 D 000085 B,J D 000085 B.J D 000064 B,J D 000094 B,1 D <0 00200 U,1 D
Arsenic,dissolved mg/L 01 00006 B 000027 B 000027 B 000045 B 000026 B 000026 B <0 00100 U
Barium,dissolved mg/L Report 00593 00537 00597 00417 00556 00539 <0 03500 U
Beryllium,dissolved mg/L 01 <0 00025 U <0 00025 U <0 00025 U <0 00025 U <0 00025 U <0 00025 U <0 00025 U
Boron.dissolved mg/L 075 <0 10000 U <0 10000 U <0 10000 U <0 10000 U <0 10000 U <0 10000 U <0 10000 U
Cadmium.dissolved mg/L 0 001 0000127 B 0000567 0000252 0000357 <0 00025 U 0000586 <0 00025 U
Calcium,dissolved mg/L Report 41 J 7 345 J 7 33 J 7 35 9 J 7 34 J 7 345 J 7 0 1 1 B,J 7
Chromium,dissolved mg/L 01 <0 00200 U <0 00200 U <0 00200 U <0 00200 U <0 00200 U <0 00200 U <0 00200 U
Copper,dissolved mg/L 0 009 <0 00200 U <0 00200 U <0 00200 U <0 00200 U <0 00200 U <0 00200 U <0 00200 U
Iron,dissolved mg/L 1 <0 15000 U <0 15000 U <0 15000 U <0 15000 U <0 15000 U <0 15000 U <0 15000 U
Lead,dissolved mg/L 0 044 000013 B 000015 B <0 00050 U <0 00050 U <0 00050 U 000015 B <0 00050 U
Magnesium.dissolved mg/L Report 34 261 262 203 228 264 <1 00000 U
<0 10000 <0 10000 <0 10000 <0 10000 <0 10000 U <0 10000 U <0 10000 U
Manganese.dissolved mg/L 167� U U U U
Mercury,dissolved mg/L 001 <0 10000 U <0 10000 U <0 10000 U <0 10000 U <0 10000 U <0 10000 U <0 10000 U
Molybdenum.dissolved mg/L Report 00016 000147 000101 000063 000071 000132 <0 00050 U
Nickel,dissolved mg/L 005 <0 04000 U <0 04000 U <0 04000 U <0 04000 U <0 04000 U <0 04000 U <0 04000 U
Potassium,dissolved mg/L Report 053 B 054 B 06 B 064 B 068 B 057 B <1 00000 U
Selenium,dissolved mg/L 0 005 000046 900043 00004 000034 000034 000041 <0 00025 U
Silica,dissolved mg/L Report 48 46 49 54 56 45 <1 00000 U
Silver,dissolved mg/L 00001 <0 00050 U <0 00050 U <0 00050 U <0 00050 U <0 00050 U <0 00050 U <0 00050 U
Sodium.dissolved mg/L Report 3 3 24 23 27 267 24 <1 00000 U
Thallium,dissolved mg/L Report <0 00050 U <0 00050 U <0 00050 U <0 00050 U <0 00050 U <0 00050 U <0 00050 U
Uranium,dissolved mg/L Report 000013 B <0 00050 U <0 00050 U <0 00050 U <0 00050 U <0 00050 U <0 00050 U
Vanadium.dissolved mg/L 01 <0 02500 U <0 02500 U <0 02500 U <0 02500 U <0 02500 U <0 02500 U <0 02500 U
Zinc.dissolved mg/L 5 0 054 0 444 0 292 0202 0 088 0 441 <0 05000 U
Bicarbonate as CaCO3 mg/L Report 587 J 7 343 J 7 433 J 7 379 J 7 342 J 7 402 1 7 23 B.J 7
Carbonate as CaCO3 mg/L Report <20 00000 U <20 00000 U QO 00000 U <20 00000 U <20 00000 U <20 00000 U <20 00000 U
Cation-Anion Balance % NA -9 1 0 -7 -6 7 0 -4 5 n/a
Chloride mg/L 250 <2 00000 U <2 00000 U <2 00000 U 054 B <2 00000 U <2 00000 U <2 00000 U
Conductivity a,25C umhos/cm Report 257 218 209 218 211 216 5 U
<0 01000 <0 01000 <0 01000 <0 01000 <0 01000 U <0 01000 U <0 35000 U
Cyanide,total mg/L 0 005 U U U U
Fluoride mg/L 2 0 19 B 024 B 023 B U 0 17 B 024 B <0 01000 U
Hardness as CaCO3(dissolved mg/L Report 116 J 7 97 J 7 93 J 7 98 J 7 94 J 7 97 J 7 0 275 B,J 7
Hydroxide as CaCO3 mg/L Report <20 00000 U QO 00000 U <20 00000 U <20 00000 U QO 00000 U <20 00000 U <20 00000 U