HYDRO26617

• Permit No: M2002004
• IBM Index Class Name: Hydrology
• Doc Date: 1/15/2004
• Doc Name: November 2003 Sampling Results
• From: GCC Rio Grande Inc.
• To: DMG
• Permit Index Doc Type: DMG Sampling
• Media Type: D
• Archive: No

A1~Z Laboratories, inc.
2773 Downhill Drive Steamboat Springs, CO 80487(800) 334-5493
Brown and Caldwell
Project ID: 22421.OOD
Sample ID: MW-002
ACZ Sample ID:
Date Sampled:
Date Received:
Sample Matrix:
L43879-01
11/25/03 14:15
11/29/03
Ground Water
Wet Chemistry
- ~ ~ - r • ~ • . ~ iiiiElliit
Alkalinity as CaC03 SM2320B -Titration
Bicarbonate as 222 mg/L 2 10 12/01/03 0:00 mah
CaC03
Carbonate as CaC03 U mg/L 2 10 12/01/03 0:00 mah
Hydroxide as CaC03 U mg/L 2 10 12/01/03 0:00 mah
Total Alkalinity 222 mg/L 2 10 12/01/03 0:00 mah
Cation-Anion Balance Calculation
Cation-Anion Balance -1.0 % 12123/03 0:00 talc
Sum of Anions 30.4 meq/L 0.1 0.5 12/23/03 0:00 talc
Sum of Cations 29.8 meq/L 0.1 0.5 12YL3l03 0:00 talc
Chloride M325.2 - Colorimetric 34 mg/L 1 5 12/15/03 16:07 kmc
Fluoride SM4500F-C 0.5 mg/L 0.1 0.5 1y11/0316:58 jjc
Hardness as CaC03 SM23408 -Calculation 1130 mg/L 1 7 12/23/03 0:00 talc
Lab Filtration SM 3030 B 12/01/03 12:40 bnh
Lab Filtration & SM 3030 B 12/01/03 12:42 bnh
Acidification
Nitrate as N, dissolvetl Calculation: N03N02 minus N02 0.31 mg/L 0.02 0.1 12/23/03 0:00 talc
Nitrate/Nitrite as N, M353.2 -Automated Cadmium 0.31 H mg/L 0.02 0.7 12/03703 17:10 kmc
dissolved Reduction
Nitrite as N, dissolved M353.2 -Automated Catlmium UH mg/L 0.01 0.05 12/01/03 19:55 jjr
Reduction
Nitrogen, ammonia M350.1 -Automated Phenate 0.18 B mg/L 0.05 0.3 12/17/03 12:00 ksj
Residue, Filterable M160.1 -Gravimetric 1890 mg/L 10 20 12/01/03 1729 bnh
(TDS) @180C
Sulfate
TDS (calculated)
TDS (ratio -
measured/calcul ated)
M375.3 -Gravimetric
Calculation
Calculation
1190 mglL 100 500 12/10/03 9:44 bnh
1940 mg/L 10 50 12/23/03 0:00 talc
0.97 12/23/03 0:00 talc
REPIN.01.11.00.01
Please refer [o Extended Quali/ier Report for detail.
IA3879: Page 3 of 32