2022-07-22_HYDROLOGY - M2012032

• Permit No: M2012032
• IBM Index Class Name: Hydrology
• Doc Date: 7/22/2022
• Doc Name: Water Monitoring - Groundwater
• From: Ouray Silver Mines, Inc.
• To: DRMS
• Annual Report Year: 2021
• Report Quarter_Month: 2
• Email Name: LJW
• Email Name: THM
• Media Type: D
• Archive: No

Second Quarter 2022 Groundwater Data
Station Name Units GW GW-IA GW-1B GW-2A GW-213 GA'-3R GW-313 GW-99 GW-0
Standars
Field Sample ID GW-IA GW-1B GW-2A GW-213 GW-3R GW-313 GW-99 GW-0
Sample Date 4/11/2022 4/11/2022 4/1 1/2022 4/11/2022 4/I 1/2022 4/11/2022 4/11/2022 4/11/2022
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 090 7 80 27.20 8 70 6 10 030 6 10 1 1 60
TDS.Field mg/I NA -99 00 -99.00 -99 00 -99 00 -99 00 -99 00 -99 00 -99 00
ORP.Field mV NA 121 90 228 70 25700 21990 19340 21770 192 50 16730
DO.Field % NA 77 80 9660 8600 81 70 91 40 10200 9290 5460
pH.Field s u NA 742 730 7 51 699 703 693 704 749
Water Temp.Field deg C NA 280 270 240 12 80 3 40 693 3 50 1920
Lab Parameters
Aluminum.dissolved mg/L 5 <0 05000 U <0 05000 U <0 05000 U <0 05000 U <0 05000 U <0 05000 U <0 05000 U <0 05000 U
Antimony.dissolved mg/L Report 000085 B 00008 B 000097 B 000076 B 000095 B 000071 B 000108 B <0 00040 U
Arsenic.dissolved ma/L 0 1 000049 B 000054 B 000027 B 00003 B 000054 B 000026 B 000054 B <0 00020 U
Barium.dissolved mg/L Report 00406 00435 00444 00727 00398 00559 00371 <0 00700 U
Beryllium.dissolved mg/L 0 1 <0 00008 U <0 00008 U <0 00008 U <0 00008 U <0 00008 U <0 00008 U <0 00008 U <0 00008 U
Boron,dissolved mg/L 075 <0 03000 U <0 03000 U <0 03000 U <0 03000 U <0 03000 U <0 03000 L' <0 03000 U <0 03000 U
Cadmium,dissolved mg/L 0.001 0000121 B 0000109 B 0000604 0000278 0000292 0000081 B 0000288 <0 00005 U
Calcium.dissolved mg/L Report 265 J 7 272 J 7 324 J 7 39 7 J 7 367 J 7 35 3 J 7 349 J 7 0 19 B.J 7
Chromium,dissolved mg/L 0
<0 00050 U <0 00050 U <0 00050 U <0 00050 U <0 00050 U <0 00050 U <0 00050 U <0 00050 U
Copper.dissolved mg/L 0 009 <0 00080 U <0 00080 U <0 00080 U <0 00080 U <0 00080 U <0 00080 U <0 00080 U <0 00080 U
Iron.dissolved mg/L 1
<0 06000 U <0 06000 U <0 06000 U <0 06000 U <0 06000 U <0 06000 U <0 06000 U <0 06000 U
Lead.dissolved mg/L 0 044 <0 00010 U.J 7 000017 B..i 7 000035 B..I 7 <0 00010 U..1 7 <0 00010 U.J 7 000018 B.J 7 <0 00010 U..I 7 000016 B.J 7
Magnesium,dissolved mg/L Report 223 227 2 59 3 18 2 08 245 201 <0 20000 U
Manganese,dissolved mg/L 1 672 <0 W 000 U <0 01000 U <0 01000 U <0 01000 U <0 W 000 U <0 01000 U <0 01000 U <0 01000 U
Mercup,dissolved mg/L 001 <0 00020 U <0 00020 U <0 00020 U <0 00020 U <0 00020 U <0 00020 U <0 00020 U <0 00020 U
Molybdenum.dissolved mg/L Report 0 001 0.00106 000099 000085 000063 000064 000076 <0 00020 U
Nickel.dissolved mg/L 005
<0 00800 U <0 00800 U <0 00800 U <0 00800 U <0 00800 U <0 00800 U <0 00800 U <0 00800 U
Potassium.dissolved mg/L Report 038 B 043 B 048 B 067 B 06 B 083 B 042 B <0 20000 U
Selenium.dissolved mg/L 0 005 000029 000026 000021 B 000028 000024 B 000038 000026 <0 00010 U
Silica.dissolved mg/L Report 47 48 5 2 5 5 5 1 5 5 5 <0 20000 U
Silver.dissolved mg/L 00001 <0 00010 U <0 00010 U <0 00010 U <0 00010 U <0 00010 U <0 00010 U <0 00010 U <0 00010 U
Sodium,dissolved mg/L Report 2 57 2 59 224 243 3 3 269 3 14 U
Thallium.dissolved mg/L Report <0 00010 U <0 000 W U <0 00010 U <0 00010 U <0 00010 U <0 00010 U <0 00010 U <0 00010 U
Uranium.dissolved mg/L Report <0 00010 U <0 00010 U <0 00010 U <0 00010 U <0 00010 U <0 00010 U <0 00010 U <0 00010 U
Vanadium.dissolved mg/L 0 1 <0 01000 U <0 01000 U <0 01000 U <0 01000 U <0 01000 U <0 01000 U <0 01000 U <0 01000 U
Zinc.dissolved mg/L 5 0 061 006 0 469 0 347 0 182 0 123 0 178 <0 02000 U
Bicarbonate as CaCO3 mg/L Report 434 J 7 435 J 7 30 1 J 7 345 J 7 352 J 7 345 J 7 348 J 7 3 3 B.J 7
Carbonate as CaCO3 mg/L Report <2 00000 U <2 00000 U <2 00000 U <2 00000 U <2 00000 U <2 00000 U <2 00000 U <2 00000 U
Cation-Amon Balance 0/0 NA -3 0 0 0 2 3 0 0 n/a
Chloride mg/L 250 073 B 051 B 061 B 081 B 073 B <0 50000 U 0 7 B <0 50000 U
Conductivity Iii 25C umhos/cm Report 178 J 7 180 .1 7 215 J 7 251 J 7 231 J 7 224 J 7 231 J 7 2 B.J 7
Cyanide.total mg/L 0.005 <0 00300 U,H <0 00300 U <0 00300 U.H <0 00300 U <0 00300 U <0 00300 U <0 00300 u <0 00300 U
Fluoride mg/L 2 0 19 B 0 18 B 0 25 B 022 B 025 B 02 B 0 15 B <0 15000 U
Hardness as CaCO3(dissolved) mg/L Report 75 J 7 77 J 7 92 J 7 112 ,i 7 100 .l 7 98 J 7 95 J 7 0 474 B.J 7
Hydroxide as CaCO3 mg/L Report <2 00000 tJ <2 00000 U <2 00000 U <2 00000 U <2 00000 U <2 00000 U <2 00000 tJ <2 00000 U
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