| well J | 0.34 ± 0.01 | 0.33 | 0.35 | 0.04 ± 0.00 | 0.04 | 0.05 |
| well K | 0.07 ± 0.01 | 0.06 | 0.08 | 0.02 ± 0.01 | 0.01 | 0.02 |
| well L | 0.10 ± 0.02 | 0.08 | 0.12 | 0.02 ± 0.01 | 0.01 | 0.03 |
| well M | 0.02 ± 0.01 | 0.01 | 0.04 | 0.00 ± 0.00 | 0.00 | 0.00 |
| well N | 0.48 ± 0.03 | 0.45 | 0.51 | 0.02 ± 0.01 | 0.01 | 0.03 |
| well O | 0.37 ± 0.06 | 0.29 | 0.42 | 0.03 ± 0.01 | 0.02 | 0.03 |
| well P | 0.07 ± 0.01 | 0.05 | 0.07 | 0.03 ± 0.01 | 0.03 | 0.04 |
| well Q | 0.19 ± 0.01 | 0.17 | 0.19 | 0.02 ± 0.01 | 0.01 | 0.03 |
| well R | 0.08 ± 0.01 | 0.06 | 0.09 | 0.01 ± 0.01 | 0.01 | 0.02 |
| well S | 0.07 ± 0.01 | 0.06 | 0.08 | 0.02 ± 0.00 | 0.02 | 0.03 |
| well T | 0.15 ± 0.04 | 0.1 | 0.2 | 0.00 ± 0.00 | 0.00 | 0.00 |
| WHO | 0.3 | 0.4 | ||||