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
2773 Downhill Drive Steamboat Springs, CO 80487 [phone]
Rio Grande Silver, Inc. ACZ Project ID: L26557
Boron,total recoverable M200.7 ICP
ACZ ID Type Analyzed PCNISCN Units Rec . e
WG390371
WG3903711CV ICV 09/1511510:20 11150908-1 2 1.985 mg/L 99 95 105
WG390371ICB ICB 09/15/1510:26 U mg/L -0.03 0.03
WG390371PQV PQV 09/15/1510:29 11150818-3 .05005 .056 mg/L 112 70 130
WG390371SIC SIC 09/15/1510:32 11150725-2 .1001 .094 mg/L 94 80 120
WG390294LRB LRB 09/15/1510:41 U mg/L -0.022 0.022
WG390294LFB LFB 09/15/1510:44 11150901-3 .5005 .512 mg/L 102 85 115
WG390371CCV1 CCV 09/15/1511:09 11150908-2 1 .964 mg/L 96 90 110
WG390371CCB1 CCB 09/15/1511:12 U mg/L -0.03 0.03
WG390371CCV2 CCV 09/15/1511:45 11150908-2 1 .979 mg/L 98 90 110
WG390371CCB2 CCB 09/15/1511:49 U mg/L -0.03 0.03
L26577-01LFM LFM 09/15/1512:07 11150901-3 .5005 .02 .542 mg/L 104 70 130
L26577-01LFMD LFMD 09/15/1512:10 11150901-3 .5005 .02 .541 mg/L 104 70 130 0 20
WG390371CCV3 CCV 09/15/1512:13 11150908-2 1 .978 mg/L 98 90 110
WG390371CCB3 CCB 09/15/1512:16 U mg/L -0.03 0.03
Cadmium,dissolved M200.8 ICP-MS
ACZ ID Type Analyzed PCNISCN oc Sample Found Units Rec Lower Upper RPD Limit Qual
WG390829
WG3908291CV ICV 09/21/1516:26 MS150902-7 .05 .05107 mg/L 102 90 110
WG390829ICB ICB 09/21/1516:29 U mg/L -0.0003 0.0003
WG390829LFB LFB 09/21/1516:32 MS150915-9 .05005 .05258 mg/L 105 85 115
L26290-03AS AS 09/21/1516:45 MS150915-9 .5005 U .4699 mg/L 94 70 130
L26290-03ASD ASD 09/21/1516:48 MS150915-9 .5005 U .4832 mg/L 97 70 130 3 20
WG390829CCV1 CCV 09/21/1517:03 MS150814A .1001 .09995 mg/L 100 90 110
WG390829CCB1 CCB 09/2111517:06 U mg/L -0.0003 0.0003
L26582-01AS AS 09/21/1517:33 MS150915-9 .05005 U .05242 mg/L 105 70 130
L26582-01ASD ASD 09/21/1517:36 MS150915-9 .05005 U .05412 mg/L 108 70 130 3 20
WG390829CCV2 CCV 09121/1517:40 MS150814-4 .1001 .09957 mg/L 99 90 110
WG390829CCB2 CCB 09/21/1517:42 U mg/L -0.0003 0.0003
WG390829CCV3 CCV 09/21/1518:01 MS150814-4 .1001 .1 mg/L 100 90 110
WG390829CCB3 CCB 09/21/1518:04 U mg/L -0.0003 0.0003
Cadmium,total recoverable M200.8 ICP-MS
Type Analyzed KN!" oc Sample Found Units Rec Lower QOp6r,-,RPD- Limit Qual
WG391186
WG3911861CV ICV 09/28/15 9:56 MS150902-7 .05 .05119 mg/L 102 90 110
WG3911861CB ICB 09/28/15 9:59 U mg/L -0.0003 0.0003
WG390891LRB LRB 09/28/1510:02 U mg/L -0.00022 0.00022
WG390891LFB LFB 09/28/1510:05 MS150915-9 .05005 .0512 mg/L 102 85 115
L26557-02LFM LFM 09/28/1510:25 MS150915-9 .05005 .0098 .0613 mg/L 103 70 130
L26557-02LFMD LFMD 09/28/1510:28 MS150915-9 .05005 .0098 .05978 mg/L 100 70 130 3 20
WG391186CCV1 CCV 09/28/1510:31 MS150814-4 .1001 .0979 mg/L 98 90 110
WG391186CCB1 CCB 09/28/1510:34 U mg/L -0.0003 0.0003
WG391186CCV2 CCV 09/28/1511:07 MS150814-4 .1001 .09695 mg/L 97 90 110
WG391186CCB2 CCB 09/28/1511:10 U mg/L -0.0003 0.0003
WG391186CCV3 CCV 09/2811511:31 MS150814-4 .1001 .09587 mg/L 96 90 110
WG391186CCB3 CCB 09/28/1511:34 U mg/L -0.0003 0.0003
L26557-1510011525 Page 15 of 48