Description | Score |
Ideal | 100 - 90 |
Excellent | 89 - 80 |
Very good | 79 - 70 |
Good | 69 - 60 |
Acceptable | 59 - 50 |
Marginal | 49 - 40 |
Unacceptable | 39 - 10 |
Dangerous | 9 - 0 |