2011-11-14_REPORT - C1981012

• Permit No: C1981012
• IBM Index Class Name: Report
• Doc Date: 11/14/2011
• Doc Name: 2010 Annual Hydrology Report
• From: J.E. Stover & Associates, Inc
• To: DRMS
• Annual Report Year: 2010
• Permit Index Doc Type: Hydrology Report
• Email Name: JHB
• Media Type: D
• Archive: No

SGS1
Analysis Report
October 17, 2011 Page 1 of 1
New Elk Coal Company
122 West First St.
Trinidad, CO 81082
USA
Client Sample ID: Paw 2 Date Sampled : 01/29/2010
Date Received: 02/10/2010 Project Name /# : NE QTRLY
Matrix: Ground Water Time Sampled : 1450
SGS Minerals Sample ID: 072 -43907 -001
REPORTING ANALYZED
TESTS RESULT METHOD LIMIT DATE / TIME ANALYST
Alkalinity, Bicarbonate 410 mg/L HCO3 SM2320 B 1 02/11/2010 1030 SV
Alkalinity, Carbonate <1 mg/L CO3 SM2320 B 1 02/11/2010 1030 SV
Chloride, Total 6 mg /L EPA300.0 1 02/10/2010 1110 KK
Hardness, Calculated Total 270 mg /L CaCO3 Calc 1
Iron, Dissolved <0.01 mg /L EPA200.7 0.01 02/22/2010 1040 EH
Manganese, Dissolved 1.3 mg /L EPA200.7 0.005 02/22/2010 1040 EH
Calcium, Total 81 mg/L EPA200.7 0.01 02/22/2010 1540 EH
Iron, Total 84 mg/L EPA200.7 0.01 02/22/2010 1540 EH
Magnesium, Total 17 mg/L EPA200.7 0.01 02/22/2010 1540 EH
Manganese, Total 1.8 mg/L EPA200.7 0.005 02/22/2010 1540 EH
Potassium, Total 2.8 mg /L EPA200.7 0.05 02/22/2010 1540 EH
Sodium, Total 45 mg /L EPA200.7 0.05 02/22/2010 1540 EH
Iron, Total Recoverable 84 mg /L EPA200.7 0.01 02/22/2010 1800 EH
Sodium Absorption Ratio 1.2 Calc 0.01
Solids, Total Dissolved 460 mg/L SM2540 C 5 02/12/2010 0950 ST
Sulfate 52 mg/L EPA300.0 5 02/10/2010 1110 KK
Method Reference(s):
"Standard Methods for the Examination of Water and Wastewater ", 18th Edition, 1992; APHA- AWWA -WEF
"Methods for the Determination of Metals in Environmental Samples ", EPA/600 /4- 91/010, June 1991
"Methods for the Determination of Inorganic Substances in Environmental Samples ", EPA/600 /R- 93/100
Somer Rodriguez, Denver Laboratory
SG S North America hc. I Mnerals Services Division
4885 Paris St Suite B -200 Denver CD 80239 t [phone] if [phone] wwwsgs,eomkninerals
Member of SOS Group
This document is issued by the Company under its General Conditions of Service accessible at http:// www. sgs .com /terms_and Attention is
drawn to the limitation of liability, indemnification and jurisdiction issues defined therin.
Any holder of this document is advised that information contained hereon reflects the Company's findings at the time of its intervention only and within the limits
of Client's Instructions, if any. The Company's sole responsibility is to its client and this document does not exonerate parties to a transaction from exercising all
their rights and obligations under the transaction documents. Any unauthorized alteration, forgery or falsification of the content or appearance of this document
is unlawful and offenders may be prosecuted to the fullest extent of the law.