Charles M. Burt, PhD
Charles M. Burt, PhD
Charles M. Burt, PhD
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Avg. OPPE (%)<br />
(weighted by kW)<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
0<br />
100<br />
200<br />
300<br />
California Well Pumps<br />
400<br />
kW-Hr/AF<br />
500<br />
600<br />
700<br />
Avg. OPPE Number of tests<br />
800<br />
900<br />
1,000<br />
Std.dev of OPPE values<br />
3,500<br />
3,000<br />
2,500<br />
2,000<br />
1,500<br />
1,000<br />
500<br />
0<br />
Number of tests<br />
Well pumps<br />
© 2010
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