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2013 test kit results from 68 central Maine households (HHs) treating their well water for Arsenic
| Untreated Water As Level | # of HHs Treating | # of HHs with treated water As >10 μg/L | Failure Rate |
|---|---|---|---|
| >10–50 μg/L | 36 | 4 | 11.1% |
| >50–100 μg/L | 29 | 5 | 17.2% |
| >100 μg/L | 3 | 1 | 33.3% |
| All >10 μg/L | 68 | 10 | 14.7% |
