_GENERAL DOCUMENTS - C1981017 ‎(255)‎

• Permit No: C1981017
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Name: Bid Documents ‎(IMP)‎ 1994 Correspondence
• Permit Index Doc Type: General Correspondence
• Media Type: D
• Archive: No

7
Client Name: CHEN-NORTHERN, INC. September 13, 1991
GLENWOOD SPRINGS, CO Sheet 5 of 26
Project No. : 90-909
Project Name: Mid Continent Mine
Laboratory No. : 118953 ai
Sample Name: GRAB 12" DEPTH ATEY WEST
Sample Date: 08/15/91
Collected by: RICK THOMAS
Time Sampled: None Given
AVERAGE DATE
PARAMETER VALUE ANALYZED
ANIONS:
Chloride as Cl 40 mg/kg 09/10/91
CATIONS:
Calcium as Ca 6.49 meq/1 08/30/91
Magnesium as Mg 2.06 meq/1 08/30/91
Potassium as K 0.23 meq/1 09/06/91
Sodium as Na 2.22 meq/1 08/30/91
METALS FROM DPTA EXTRACTION:
Aluminum as Al (Dissolved) 2.6 mg/kg 08/28/91
Arsenic as As (Dissolved) <0.01 mg/kg 09/04/91
Barium as Ba (Dissolved) 1.2 mg/kg 08/28/91
Boron as B (Dissolved) <0.2 mg/kg 08/28/91
Cadmium as Cd (Dissolved) 0.040 mg/kg 08/28/91
Chromium as Cr (Dissolved) <0.04 mg/kg 08/28/91
Copper as Cu (Dissolved) 0.94 mg/kg 09/04/91
Iron as Fe (Dissolved) 23.4 mg/kg 08/28/91
Lead as Pb (Dissolved) 0.54 mg/kg 08/29/91
Manganese as Mn (Dissolved) 3.04 mg/kg 08/28/91
Molybdenum as Mo (Dissolved) <0.10 mg/kg 08/28/91
Nickel as Ni (Dissolved) 0.42 mg/kg 08/28/91
Selenium as Se (Dissolved) <0.010 mg/kg 08/30/91
Zinc as Zn (Dissolved) 0.70 mg/kg 08/28/91
METALS - TOTAL:
Mercury as Hg <0.5 mg/kg 09/05/91
NUTRIENTS:
Ammonia Nitrogen as N 4.1 mg/kg 09/10/91
Nitrate + Nitrite as N 9.3 mg/kg 08/26/91
Total Kjeldahl Nitrogen as N 1760 mg/kg 09/10/91
Total Phosphorous as P 540 mg/kg 08/29/91
Chen-Northern, Inc. consulting Engin"rs and Scientists