Table 14. — Usual fisheries hazards of 30 common types of municipal and industrial effluents 
432 
BULLETIN OF BUREAU OF FISHERIES 
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1 In this table increases in both acidity and alkalinity are noted in some cases, due to the facts that two or more kinds of effluents are mixed, with one predominating at times 
and to changes which take place in the stream after the effluent is added. 
