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TABLE 76 <br />TWENTYMILE COAL COMPANY <br />2001 ANNUAL HYDROLOGY REPORT <br />INFLOW MEASUREMENTS <br />n <br />LJ <br />• <br />SITE NO. LOCATION INFLOW <br />GPM TEMP. <br />DEGREES C PH CONDUCTIVITY <br />UMHOS/CM <br />~ Floor 1.6 9.7 8.3 3800 <br />2 Roof Ribline Seep 0.1 10.1 7.7 2949 <br />3 Roof Drippers see site 4 9.1 8.2 3946 <br />q Roof Drippers 4.5 11.3 8.1 3911 <br />7 Floor 3.4 9.1 8.3 4202 <br />g Floor Cased Sump 20.0 23.1 8.7 1538 <br />g Roof Ribline Seep 1.5 17.6 8.9 1100 <br />25 Roof Drippers 0.3 21.4 8.5 2673 <br />26 Floor 5.5 7.6 8.3 3580 <br />P7 Floor Cased Sump 0.8 19.7 8.1 4775 <br />28 Floor Cased Sump 0.5 20.1 8.3 5180 <br />29 Floor Cased Sump 0.1 NA NA NA <br />30 Floor Cased Sump 0.2 20.5 8.7 2893 <br />31 Floor Cased Sump 0.2 20.5 8.7 2893 <br /> TOTAL 36.9 <br />Note: Site 5 out of service 6 Rt Outby sump sealed in 2001 used 2000 inflow rate average per Table 77. <br />Note: Drop sample site 6 and 10, redundant sumps, inflow is measured updip. <br />Note: Drop sample site 11 roof drippers dry in 2001. <br />Note: Sites 12 to 22 sealed behind gob in 2001, most were dry gateroad floor sumps. <br />Note: Sites 23 and 24 sealed in 2001, were dry in 2000, are the former 6Rt & 7Rt outby faults sumps. <br />1:\EnvironmentalW HR\200I\TCC~Tables\table76 <br />