2012-12-24_HYDROLOGY - P2011010

• Permit No: P2011010
• IBM Index Class Name: HYDROLOGY
• Doc Date: 12/24/2012
• Doc Name: WATER QUALITY 2012, 4TH QTR
• From: RIO GRANDE SILVER
• To: DRMS
• Type & Sequence: MD2
• Email Name: RCO
• Media Type: D
• Archive: No

ACZ Laboratories, Inc.
2773 Downhill Drive Steamboat Springs, CO 80487 (800) 334 -5493
Rio Grande Silver, Inc.
ACZ ID WORKNUM PARAMETER
METHOD QUAL DESCRIPTION
L96798 - WG330840 Aluminum (1312)
REPAD 15 06 05 01
M6010B ICP
M6010B ICP
Inorganic Extended
Qualifier Report
ACZ Project ID: L96798
RD For a solid matrix, the duplicate RPD (spike or matrix)
exceeded the control limit, which is attributable to the non -
homogeneity of the sample
ZG The ICP Serial Dilution was not used for data validation
because the sample concentration was less than 50 times
the MDL
WG330950 Antimony (1312) M6020 ICP -MS RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
Arsenic (1312) M6020 ICP -MS RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
M6020 ICP -MS ZB The ICP -MS Serial Dilution was not used for data validation
because the sample concentration was less than 100 times
the MDL
WG330840 Barium (1312) M6010B ICP RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
M6010B ICP ZG The ICP Serial Dilution was not used for data validation
because the sample concentration was less than 50 times
the MDL
WG330950 Beryllium (1312) M6020 ICP -MS RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
WG330840 Boron (1312) M6010B ICP RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
WG330950 Cadmium (1312) M6020 ICP -MS RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
WG330840 Calcium (1312) M6010B ICP
RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
WG330950 Chromium (1312) M6020 ICP -MS RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
WG330840 Cobalt (1312) M6010B ICP RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
WG331050 Copper (1312) M6020 ICP -MS B5 Target analyte detected in prep / method blank at or above
the method reporting limit, but below trigger level or MCL
M6020 ICP -MS RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
WG330840 Iron (1312) M6010B ICP RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
WG330950 Lead (1312) M6020 ICP -MS RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
WG330840 Magnesium (1312) M6010B ICP RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
Manganese (1312) M6010B ICP RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
M6010B ICP ZG The ICP Serial Dilution was not used for data validation
because the sample concentration was less than 50 times
the MDL
WG330715 Mercury (1312) M7470A CVAA H3 Sample was received and analyzed past holding time
M7470A CVAA RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
WG330840 Molybdenum (1312) M6010B ICP RA Relative Percent Difference (RPD) was not used for data
validation because the sample concentration is too low for
accurate evaluation (< 10x MDL)
Page 25 of 39