REP00919

• Permit No: C1980006
• IBM Index Class Name: Report
• Doc Date: 1/12/1999
• Doc Name: 1998 ANNUAL HYDROLOGY REPORT 1 OF 2 PN C-80-006
• Annual Report Year: 1998
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

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TABLE 8
KERR COAL COMPANY
1998 SURFACE WATER STATISTICS
SEDIMENT PONDS

PARAMETERS 03/26/98 04/15/98 MIN MAX MEAN

STATION 301°(POND A z. ..
Flow Rate (cfs) 0.47
Temperature (C) 3 3 3 3
pH -field (s.u.) 7.8 7.8 7.8 7.8
E.C. -field (umhos/cm) @ 20 C 100 100 100 100
Settleable Solids (mg/I) <0.2 <0.2 <0.2 <0.2

STAfiIOFF $D2 (PE1f+ID B) -

~ _

-'
:7. ~ ,r ,...
,-
Flow Rate (cfs) 0.34
Temperature (C) 2 2 2 2
pH -field (s.u.) 7.8 7.8 7.8 7.8
E.C. -field (umhos/cm) @ 20 C 100 100 100 100
Settleable Solids (mg/I) <0.2 <0.2 <0.2 <0.2

STATION 3D3-(PONQC}..:: ~. , .
Flow Rate (cfs) 0.025
Temperature (C) 2 2 2 2
pH -field (s.u.) 7.9 7.9 7.9 7.9
E.C. -field (umhos/cm) @ 20 C 100 100 100 100
Settleable Solids (mg/I) <0.2 <0.2 <0.2 <0.2
STATION304:(~bh1EYb) , = :- ,tr _ _ _ ~ '
Flow Rate (cfs) 0.47
Temperature (C) 3 3 3 3
pH -field (s.u.) 8.1 8.1 8.1 8.1
E.C. -field (umhos/cm) @ 20 C 100 100 100 100
Settleable Solids (mg/I) <0.2 <0.2 <0.2 <0.2