While it may be correct (I don't know) to say that the current problem is 2% detergents, the numbers were different 40 years ago when phosphate started getting

While it may be correct (I don't know) to say that the current problem is 2% detergents, the numbers were different 40 years ago when phosphate started getting banned, one source saying 50-70% of the problem being detergents [1]. One could say, on a percentage basis, it was successful. [1] http://www.colorado.edu/conflict/full_text_search/AllCRCDocs/94-54.htm http://www.colorado.edu/conflict/full_text_search/AllCRCDocs...