HYDRO30758

• Permit No: M2001063
• IBM Index Class Name: Hydrology
• Doc Date: 9/4/2002
• Doc Name: Water Quality Results
• From: DMG-HHP
• To: DMG-RCO
• Media Type: D
• Archive: No

ACZ Laboratories, Inc.
2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493
Metals Analysis
• r r - • ..
Aluminum, dissolved M200.71CP U mg/L 0.03 0.2 07/31/02 19:58 bf
Arsenic, dissolved M200.81CP-MS U mg/L 0.001 0.005 08/01/02 1:49 Icj
Boron, dissolved M200.71CP 0.01 B mg/L 0.01 0.05 07/31/02 19:58 bf
Cadmium, dissolved M200.81CP-MS 0.0003 B mg/L 0.0002 0.001 08/01/02 1:49 Icj
Calcium, dissolved M200.7 ICP 32.4 mg/L 0.2 1 07/29/02 20:04 ct
Chromium, dissolved M200.81CP-MS U mglL 0.0002 0.001 06/01/02 1:49 Icj
Copper, dissolved M200.8 ICP-MS 0.003 B mg/L 0.001 0.005 06/01/02 1:49 Icj
Iron, dissolved M200.7 ICP 0.02 B mg/L 0.01 0.05 07/29/02 20:04 ct
Magnesium, dissolved M200.7 ICP 1.9 mg/L 0.2 1 07/29/02 20:04 cl
Manganese, dissolved M200.8 ICP-MS 0.0137 mglL 0.0005 0.003 08/04/02 3:15 Icj
Mercury, dissolved M245.1 CVAA U mg/L 0.0002 0.001 07/22/02 13:05 kdw
Nickel, dissolved M200.81CP-MS 0.0012 B mg/L 0.0004 0.002 08/01/02 1:49 Icj
Selenium, dissolved SM 3114 C, AA-Hydride U mg/L 0.001 0.005 08/06/02 17:00 kdw
Silver, dissolved M200.8 ICP-MS U mg/L 0.0003 0.001 08/02/02 3:37 Icj
Zinc, dissolved M200.71CP 0.34 mg/L 0.01 0.05 07!29/02 20:04 ct
Wet Chemistry
~ r , r -• ..
Chloride M325.2-Colodmetdc 1 B mg/L 1 5 07/24/0211:18 ksj
Conductivity @25C M720.1 -Meter 196 umhos/cm 1 10 07/12/02 11:09 ey
Cyanide, WAD SM4500-CN I-ColorimeVic w/ U mg/L 0.01 0.05 07/20/02 20:29 kb
distillation
Hardness as CaCO3 SM23408-Calculation 89 mg/L 1 7 08/07!028:41 talc
Lab Filtration SM 3030 B 07/11/02 17:31 jn
Lab Filtration 8 SM 3030 B 07/11/02 19:13 ey
Acidfiwtion
Nitrate as N, dissolved Calculation: NO3NO2 minus NO2
Nitrate/Nitrite as N, M353.2 -Automated Cadmium
dissolved Reduction
Nitrite as N, dissolved M353.2 -Automated Cadmium
Reduction
pH (lab) M750.1 - Eleclromelric
Sulfate M375.3 - Gravimetric
Sulfide as S M376.2 -Methylene Blue
U mg/L 0.02 0.1 08107102 8:41 talc
U mg/L 0.02 0.1 07111/021:03 ab
U mg/L 0.01 0.05 07/11/021:03 ab
7.2 H units 0.1 0.1 07/12/021638 ey
60 mglL 10 20 07176/0216:29 ey
U mg/L 0.4 2 07/16/0218:05 wfg
Note: The Manganese value is estimated due to matrix interterences.
REPIN.01.11.00.0 -
L37592: Page 3 of 9
Midas Mining Co. ACZ ID: L37592-02
Project ID: Date Sampled: 07/10!02 12:45
Sample ID: SITE #3 Date Received: 07/11/02
Sample Matrix: Surface Water