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Table 1 
Average Pairwise Difference in the Pollutants Listed for Groups of Tribes Located in the Same State, Listed by Percentile
GroupingAverage Pairwise DifferenceNational Percentile
Florida (n = 2) 120 
Minnesota (n = 2) 118 
California (n = 4) 69 40 
New Mexico (n = 12) 67 47 
Montana (n = 3) 58 50 
Arizona (n = 4) 49 66 
Wisconsin (n = 3) 36 84 
Oregon (n = 2) 28 86 
Washington (n = 8) 33 99 
GroupingAverage Pairwise DifferenceNational Percentile
Florida (n = 2) 120 
Minnesota (n = 2) 118 
California (n = 4) 69 40 
New Mexico (n = 12) 67 47 
Montana (n = 3) 58 50 
Arizona (n = 4) 49 66 
Wisconsin (n = 3) 36 84 
Oregon (n = 2) 28 86 
Washington (n = 8) 33 99 

Note. National percentile demonstrates the likelihood of finding the observed average pairwise difference, based on the national distribution of existing tribal WQSs. A low percentile means that an observed tribal grouping has a high degree of difference compared to expected values. This analysis only includes states with two or more tribes.

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