2015-10-27_HYDROLOGY - M1977215

• Permit No: M1977215
• IBM Index Class Name: Hydrology
• Doc Date: 10/27/2015
• Doc Name: Sampling Frequencty Reduction - Groundwarer Moitoring
• From: Rio Grande Silver
• To: DRMS
• Email Name: THM
• Media Type: D
• Archive: No

AraZ Laboratories, Inc. ® 0 M-
Rio 2773 Downhill Drive Steamboat Springs, CO 80487 [phone] Grande Silver, Inc. ACZ Project ID: L26557
Sulfate M300.0-Ion Chromatography
ACZ ID Type Analyzed PCNISCN oc Sample Found Units Rec Lower Upper i Limit Qual
WG390172
WG3901721CV ICV 09/10/1517:16 W1150810.5 50.05 49.3 mg/L 99 90 110
WG390172106 ICB 09/10/1517:34 U mg/L -1.5 1.5
WG390390
WG390390CCV1 CCV 09/15/1511:55 W1150914-3 50 49.1 mg/L 98 90 110
WG390390CCB1 CCB 09/15/1512:12 U mg/L -1.5 1.5
WG390390PQV PQV 09/15/1512:30 W1150901-2 2.5025 2.31 mg/L 92 70 130
WG390390LFB1 LFB 09/15/1512:48 W1150409-2 30 28.8 mg/L 96 90 110
WG390390CCV2 CCV 09/15/1515:29 W1150914-3 50 48.9 mg/L 98 90 110
WG390390CCB2 CCB 09/15/1515:47 U mg/L -1.5 1.5
WG390390CCV3 CCV 09/15/1519:04 W1150914-3 50 48.8 mg/L 98 90 110
WG390390CCB3 CCB 09/15/1519:22 U mg/L -1.5 1.5
WG390390LFB2 LFB 09/15/1521:27 W1150409-2 30 28.6 mg/L 95 90 110
L26506-17DUP DUP 09/15/15 22:03 3.33 2.65 mg/L 23 20 RA
WG390390CCV4 CCV 09/15/15 22:39 W1150914-3 50 48.9 mg/L 98 90 110
WG390390CCB4 CCB 09/15/15 22:57 U mg/L -1.5 1.5
L26524-OCAS AS 09/15/1523:15 W1150409-2 30 36.9 64.8 mg/L 93 90 110
WG390390CCV5 CCV 09/16/151:56 W1150914-3 50 49.1 mg/L 98 90 110
WG390390CCB5 CCB 09/16/15 2:14 U mg/L -1.5 1.5
WG390390CCV6 CCV 09/16/1510:39 W1150914-3 50 49 mg/L 98 90 110
WG390390CCB6 CCB 09/16/1510:56 U mg/L -1.5 1.5
WG390390PQV1 PQV 09/16/1511:14 W1150901-2 2.5025 2.26 mg/L 90 70 130
WG390390CCV7 CCV 09/16/1512:08 W1150914-3 50 49.3 mg/L 99 90 110
WG390390CCB7 CCB 09/16/1512:26 U mg/L -1.5 1.5
Sulfide as S SM4500S2-D
ACZ ID Type Analyzed PCNISCN oc Sampl� Found Units Rec Lower Upper RPD Limit Qum
WG390361
WG3903611CV ICV 09/15/15 8:30 WC150914-5 .376 .411 mg/L 109 90 110
WG390361ICB ICB 09/15/15 8:37 U mg/L -0.06 0.06
WG390363
WG3903631CV ICV 09/15/15 8:32 WC150914-5 .376 .4 mg/L 106 90 110
WG390363ICB ICB 09/15/15 8:39 U mg/L -0.06 0.06
WG390363LFB LFB 09/15/15 8:47 WC150914-8 .2293333 .244 mg/L 106 80 120
WG390363CCV1 CCV 09/15/1510:06 WC150914-6 .172 .162 mg/L 94 90 110
WG390363CCB1 CCB 09/15/1510:14 U mg/L -0.06 0.06
L26573-03AS AS 09/15/1510:30 WC150914-8 .2293333 .22 .394 mg/L 76 75 125
L26573-03DUP DUP 09/15/1510:38 .22 .206 mg/L 7 20
WG390363CCV2 CCV 09/15/1511:41 WC150914.6 .172 .158 mg/L 92 90 110
WG390363CCB2 CCB 09/15/1511:49 U mg/L -0.06 0.06
WG390363CCV3 CCV 09/15/1512:36 WC150914-6 .172 .162 mg/L 94 90 110
WG390363CCB3 CCB 09/15/1512:44 U mg/L -0.06 0.06
L26557-1510011525 Page 31 of 48