... ( fps ) ture ( ° F ) Dis- charge ( cfs ) 3 Con- cen- tra- tion ( ppm ) 520 ... 3,070 10 . 8/19/58 1547 20 55 37.5 270 3 , 480 116 . 8/19/58 1730 20 55 36.0 240 ...
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