5^2__ 



STATE OF WASHINGTON DEPARTMENT OF FISHERIES - EXHIBIT E 

 Fresh-water streams. The Platinum - Cobalt method is 



3 acceptable for determination of the true color^ which 



4 should be less than 50 color units. 



5 11. Radioactivity 



6 Marine, estuary and freshwater 



7 Current USPHS Drinking Water Standards 



8 except where concentration factors of aquatic flora and 



9 fauna exceed PHS reduction factors; then MPC of radio- 



10 isotopes shall be reduced below acute or chronic problem 



11 levels. Conformance v;ith U. S. Pure Food and Drug 



12 Administration standards. 



13 12. Aesthetic Considerations (wastes 



14 offensive to the senses of sight, taste, smell, or touch) 



15 Marine, estuary and fresh water 



16 Anything that is offensive to these senses 



17 should not be added to the receiving waters. Such wastes 



18 are nuisances to fishermen, although they may be innoxious 

 10 to fish, shellfish or other aquatic organisms. 



20 13- Dissolved Organics (settleable solids, 



21 sewage ) 



22 Marine, estuary and fresh water 



23 Secondary treatment of sewage wastes is 



24 recommended. No excess nutrients that cause biological 



25 Imbalance, slime, or other nuisance aquatic growth. 



