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.
2773 Downhill Drive Steamboat Springs, CO 80487 [phone] MEM
Rio Grande Silver, Inc. ACZ Project ID: L26557
Nitrite as N,dissolved M353.2-Automated Cadmium Reduction
ACZ ID Type Analyzed PCNISCN Oc Sample Found Units Rec Lower Upper R PD Limit Qual
WG390186
WG3901861CV ICV 09/10/1518:49 W1150723-7 .609 .607 mg/L 100 90 110
WG390186ICB ICB 09/10/1518:50 U mg/L -0.03 0.03
WG390186LFB1 LFB 09/10/1518:54 W1150613-3 1 .978 mg/L 98 90 110
WG390186CCV1 CCV 09/10/1519:04 W1150909-5 1 .997 mg/L 100 90 110
WG390186CCB1 CCB 09/10/1519:07 U mg/L -0.03 0.03
L26542-11AS AS 09/10/1519:16 W1150613-3 1 U 1.009 mg/L 101 90 110
L26542-12DUP DUP 09/10/1519:18 U U mg/L 0 20 RA
WG390186CCV2 CCV 09/10/1519:21 W1150909-5 1 .992 mg/L 99 90 110
WG390186CCB2 CCB 09/10/1519:24 U mg/L -0.03 0.03
WG390186LFB2 LFB 09/10/1519:34 W1150613-3 1 1.009 mg/L 101 90 110
L26557-02AS AS 09/10/1519:36 W1150613-3 1 U 1.005 mg/L 101 90 110
WG390186CCV3 CCV 09/10/1519:38 W1150909-5 1 .993 mg/L 99 90 110
WG390186CCB3 CCB 09/10/1519:41 U mg/L -0.03 0.03
L26557-03DUP DUP 09/10/1519:43 U U mg/L 0 20 RA
WG390186CCV4 CCV 09/10/1519:56 W1150909-5 1 .995 mg/L 100 90 110
WG390186CCB4 CCB 09/10/15 20:00 U mg/L -0.03 0.03
Nitrogen,ammonia M350.1
ACZ to Type Analyzed PCN/SCN Oc Sample Found Units Roe Lower upper RpD -Limit- Qua[
WG390506
WG3905061CV ICV 09/16/1511:06 W1150714-2 11.988 12.587 mg/L 105 90 110
WG390506ICB ICB 09/16/1511:07 U mg/L -0.15 0.15
WG3905061CV1 ICV 09/1611514:57 W1150714-2 11.988 12.687 mg/L 106 90 110
WG3905061CB1 ICB 09/16/1514:59 U mg/L -0.15 0.15
WG390511
WG3905111CV ICV 09/16/1515:46 W1150714-2 11.988 12.578 mg/L 105 90 110
WG390511ICB ICB 09/16/1515:48 U mg/L -0.15 0.15
WG390511LFB1 LFB 09/16/1515:49 W1150204-10 10 10.245 mg/L 102 90 110
L26524-01AS AS 09/16/1515:52 W1150204-10 10 U 10.451 mg/L 105 90 110
L26524-02DUP DUP 09/16/1515:55 U U mg/L 0 20 RA
WG390511CCV1 CCV 09/16/1516:04 W1150714-1 10 9.81 mg/L 98 90 110
WG390511CCB1 CCB 09/16/1516:05 U mg/L -0.15 0.15
WG390511CCV2 CCV 09/16/1516:22 W1150714-1 10 9.897 mg/L 99 90 110
WG390511CCB2 CCB 09/16/1516:23 U mg/L -0.15 0.15
WG390511LFB2 LFB 09/16/1516:32 W1150204-10 10 10.555 mg/L 106 90 110
WG390511CCV3 CCV 09/16/1516:39 W1150714-1 10 9.929 mg/L 99 90 110
WG390511CCB3 CCB 09/16/1516:41 U mg/L -0.15 0.15
WG390511CCV4 CCV 09/16/1516:59 W1150714-1 10 9.895 mg/L 99 90 110
WG390511CCB4 CCB 09/16/1517:00 U mg/L -0.15 0.15
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