Comparison of Discharges from Urban Storm-Water Run-Off
315
0*
O S 0 ·
1
0
1 2
H
1
6
I ·
2 0
2 2 2 «
Clock time, hour
Fig. 2.
Pollutant content of storm-water run-off vs time during a summer storm.
3 0 0 0 r
RAINFALL 25 mm
120 240 360 480 600 720 840
TIME, min
Fig. 3.
Total discharges of suspended solids during two downpours. Broken line: Estimated
suspended solids discharged from treated effluent from the district with a population oi 11.000.
315
0*
O S 0 ·
1
0
1 2
H
1
6
I ·
2 0
2 2 2 «
Clock time, hour
Fig. 2.
Pollutant content of storm-water run-off vs time during a summer storm.
3 0 0 0 r
RAINFALL 25 mm
120 240 360 480 600 720 840
TIME, min
Fig. 3.
Total discharges of suspended solids during two downpours. Broken line: Estimated
suspended solids discharged from treated effluent from the district with a population oi 11.000.