Research Journal of the Water Pollution Control Federation, Vol. 61, No. 11/12 (November/December 1989), pp. 1651-1657 (7 pages) The two-stage backwash system (TSBS) has been developed for water ...
The Joint Water Pollution Control Plant (JWPCP) of the Sanitation Districts of Los Angeles County provides advanced primary and partial secondary treatment for 15.3 ${\rm m}^{3}/{\rm s}$ (350 MGD) of ...
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