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(800)334-5493
Rio Grande Silver, Inc. ACZ Sample ID: L26556-02
Project ID: BO-34028 Date Sampled: 09109115 08:55
Sample ID: GW-1 Date Received: 09110115
Sample Matrix: Ground Water
Inorganic Prep
r eual XQ__ units MDL POL Date Analyst:
Nitrogen,total Kjeldahl M351.2-Block Digestor 09/18/15 15:23 spl
Total Recoverable M200.2 ICP 09/14/15 12:24 jjc
Digestion
Total Recoverable M200.2 ICP-MS 09/25/15 10:36 scp
Digestion
Metals Analysis
Parameter EPA Method Dilution Result s • Units MDL POL Date Analyst'
Aluminum,dissolved M200.7 ICP 1 0.03 B mg/L 0.03 0.2 09/19/15 10:14 aeb
Aluminum,total M200.7 ICP 1 13.10 mg/L 0.03 0.2 09/15/15 11:21 jjc
recoverable
Arsenic,dissolved M200.8 ICP-MS 1 0.0072 mg/L 0.0002 0.001 09/22/15 20:59 mfm
Arsenic,total M200.8 ICP-MS 1 0.0168 mg/L 0.0002 0.001 09/28/15 20:21 mfm
recoverable
Cadmium,dissolved M200.8 ICP-MS 1 0.0026 mg/L 0.0001 0.0005 09/22/15 20:59 mfm
Cadmium,total M200.8 ICP-MS 1 0.0148 mg/L 0.0001 0.0005 09/28/15 20:21 mfm
recoverable
Calcium,dissolved M200.7 ICP 1 45.6 mg/L 0.1 0.5 09/19/15 10:14 aeb
Copper,dissolved M200.8 ICP-MS 1 0.0007 B mg/L 0.0005 0.003 09/22/15 20:59 mfm
Copper,total M200.8 ICP-MS 1 0.0073 mg/L 0.0005 0.003 09/28/15 20:21 mfm
recoverable
Iron,dissolved M200.7 ICP 1 U mg/L 0.02 0.05 09/19/15 10:14 aeb
Iron,total recoverable M200.7 ICP 1 12.90 mg/L 0.02 0.05 09/15/15 11:21 jjc
Lead,dissolved M200.8 ICP-MS 1 0.0002 B mg/L 0.0001 0.0005 09/22/15 20:59 mfm
Lead,total recoverable M200.8 ICP-MS 1 0.0330 mg/L 0.0001 0.0005 09/28/15 20:21 mfm
Magnesium,dissolved M200.7 ICP 1 4.1 mg/L 0.2 1 09/19/15 10:14 aeb
Manganese,dissolved M200.7 ICP 1 U mg/L 0.005 0.03 09/19/15 10:14 aeb
Manganese,total M200.7 ICP 1 1.910 * mg/L 0.005 0.03 09/15/15 11:21 jjc
recoverable
Mercury,total M245.1 CVAA 1 U mg/L 0.0002 0.001 09/18/15 10:22 pta
Potassium,dissolved M200.7 ICP 1 3.6 mg/L 0.2 1 09/19/15 10:14 aeb
Silver,dissolved M200.8 ICP-MS 1 U mg/L 0.00005 0.0003 09/22/15 20:59 mfm
Silver,total recoverable M200.8 ICP-MS 1 0.00083 mg/L 0.00005 0.0003 09/28/15 20:21 mfm
Sodium,dissolved M200.7 ICP 1 6.6 mg/L 0.2 1 09/19/15 10:14 aeb
Zinc,dissolved M200.8 ICP-MS 1 0.801 mg/L 0.002 0.005 09/22/15 20:59 mfm
Zinc,total recoverable M200.8 ICP-MS 2 1.600 mg/L 0.004 0.01 10/06/15 17:08 mfm
REPIN.02.06.05.01 *Please refer to Qualifier Reports for details.
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