HYDRO29044

• Permit No: C1981071
• IBM Index Class Name: Hydrology
• Doc Date: 3/22/2001
• Doc Name: February 2001 DMR SUBMITTAL
• From: TWENTMILE COAL CO
• To: WQCD
• Permit Index Doc Type: DMR’s
• Media Type: D
• Archive: No

HARDNESS PARAMETERS BEING TESTED FOR IN-HOUSE CLARIFICATION
February 2001
Outfall Hardness m /L
2/1/01 2/8/01 2/15/0]
001
005 845 925 ]008
007
Al] testing is being conducted through CT&E Laboratories in Denver, Colorado.
The Hardness value is a calcu]ated result based on dissolved Calcium and Magnesium.