2013-03-27_GENERAL DOCUMENTS - M1977215

• Permit No: M1977215
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Date: 3/27/2013
• Doc Name: Appeal of Notice of Pending Designation as a DMO.
• From: Rio Grande Silver, Inc.
• To: DRMS
• Permit Index Doc Type: General Correspondence
• Email Name: AJW
• Email Name: GRM
• Email Name: RCO
• Media Type: D
• Archive: No

A Z Laboratories, Inc.
2773 Downhill Drive Steamboat Springs, CO 80487 (800) 334 -5493
Rio Grande Silver, Inc.
Alkalinity as CaCO3
ACZ ID
Analyzed PCN /SCN
Sample " Found Units
Upper RPD Limit Qual
WG340385
WG340385LCSW1 LCSW 03/13/13 1225 WC130313- 820 775 mg /L 94 5 90 110
WG340267PBW PBW 03/13/1312'31 34 mg /L -20 20
L11050 -02DUP DUP 03/13/13 13 01 50 45 2 mg /L 10 1 20
WG340385LCSW2 LCSW 03/13/13 14 WC130313- 820 797 5 mg /L 97 3 90 110
Aluminum (1312)
ACZ ID
Type Analyzed PCtCr t1D Sample Found Units Rec Lower Upper RPD ; f irrxit " Qual
WG340742
Antimony (1312)
WG340476
REPIN.01.06.05.01
SM2320B - Titration
M6010B ICP
M6020 ICP -MS
ACZ Project ID: L11050
WG3407421CV ICV 03/20/13 10 53 11130114 -4 2 2.031 mg /L 101 6 90 110
WG3407421CB ICB 03/20/13 10 56 U mg /L -0 09 0 09
WG340742PQV PQV 03/20/1310 11130319 -2 .15 135 mg /L 90 70 130
WG340742ICSAB ICSAB 03/20/13 11 11130318 -1 250 250 2 mg /L 100 1 80 120
WG340646PBS PBS 03/20/13 11:08 U mg /L -0 09 0 09
WG340646LFB1 LFB 03/20/1311:11 11130306 -2 1 984 mg /L 98.4 85 115
L11050 -01MS MS 03/20/1311 11130306 -2 1 121 2.243 mg /L 1033 75 125
L11050 -01MSD MSD 03/20/13 11 20 11130306 -2 1 121 224 mg /L 103 75 125 013 20
L11050 -01DUP DUP 03/20/1311 121 1.186 mg /L 2 20
L11050 -02SDL SDL 03/20/1311 93 91 mg /L 2.2 10
WG340742CCV1 CCV 03/20/13 11 36 11130114 -2 1 1 011 mg /L 1011 90 110
WG340742CCB1 CCB 03/20/1311 U mg /L
-0 09
0 09
ACZ ID. Type Analyzed PCNISCN
pie
Found Units
Upper RPD
unit
WG3404761CV ICV 03/14/13 2100 MS130102 -2 02 02026 mg /L 101 3 90 110
WG3404761CB ICB 03/14/13 21 03 U mg /L - 0.0012 0.0012
WG3404761CSA ICSA 03/14/13 21 U mg /L -0 002 0.002
WG340476ICSAB ICSAB 03/14/13 21 10 MS130220 -5 01 01072 mg /L 107 2 80 120
WG340266PBS PBS 03/14/13 21 16 U mg /L -0 0012 0 0012
WG340266LFB2 LFB 03/14/13 21 MS130220 -1 .01 01045 mg /L 104 5 80 120
L11050 -01DUP DUP 03/14/1321:26 0051 00492 mg /L 36 20
L11050 -02MS MS 03/14/13 21:32 MS130220 -1 01 0006 01069 mg /L 100 9 75 125
L11050 -02MSD MSD 03/14/13 21 MS130220 -1 01 0006 01015 mg /L 95.5 75 125 5 18 20
L11050 -03SDL SDL 03/14/13 21 42 0011 U mg /L 10
WG340476CCV1 CCV 03/14/13 21 45 MS121227 -4 0125 01242 mg /L 99 4 90 110
WG340476CCB1 CCB 03/14/13 21 48 U mg /L -0 0012 0 0012
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