value

class

Class designation of sediment quality

>5

6

Extremely contaminated

4 - 5

5

Strongly to extremely contaminated

3 - 4

4

Strongly to Contaminated

2 - 3

3

Moderately to strongly contaminated

1 - 2

2

Moderately contaminated

0 - 1

1

Uncontaminated to moderately contaminated

<0

0

Uncontaminated