HYDRO26032

• Permit No: C1981071
• IBM Index Class Name: Hydrology
• Doc Date: 5/2/2001
• Doc Name: March 2001 DMR SUBMITTAL
• From: TWENTYMILE COAL CO
• To: WQCD
• Permit Index Doc Type: DMR’s
• Media Type: D
• Archive: No

HARDNESS PARAMETERS BEING TESTED FOR IN-HOUSE CLARIFICATION
March 2001
Ou$all Hardness m /L)
3/1/01 3/8/01 3/15/01
001 2377 2331 2199
005 1101 919 9G4
007
.All testing is being conducted through CT&E Laboratories m Denver, Colorado.
The Hardness value is a calcula red result based on dissolved Calcium and Jlagnesium.