Sample | December | February | March |
filt/susp | filt/susp | filt/susp | |
1 | 0.84 | 0.50 | 0.93 |
2 | 0.58 | 0.30 | 0.90 |
3 | 1.08 | 2.19 | 2.16 |
4 | 3.74 | 2.07 | 1.60 |