References
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- Eaton , D. F. , Fowles , G. W. A. , Thomas , M. W. and Turnbull , G. B. 1975 . Environmental Science and Technology , 9 : 768
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- Law , S. L. October 1976 . 1st. Eastern Water Pollution, Treatment and ‘Testing Seminar’ , October , N. J : Cherry Hill .
- 1975 . Federal Register , 40 ( 248 ) December 24