| Relative Effectiveness TN WWTP Mid 90's (0) 
Relative Effectiveness TN All Else Mid 90's (1)
|   | More Effective |  
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|   | Less Effective |  
Relative Effectiveness TP WWTP Mid 90's (2)
|   | More Effective |  
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|   | Less Effective |  
Relative Effectiveness TP All Else Mid 90's (3)
|   | More Effective |  
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|   | Less Effective |  
Relative Effectiveness TN WWTP DE (4)
|   | More Effective |  
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|   | Less Effective |  
Relative Effectiveness TN All Else DE (5)
|   | More Effective |  
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|   | Less Effective |  
Relative Effectiveness TP WWTP DE (6)
|   | More Effective |  
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|   | Less Effective |  
Relative Effectiveness TP All Else DE (7)
|   | More Effective |  
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|   | Less Effective |  
|   | More Effective |  
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|   | Less Effective |  |