Table 2.
Average concentration of arsenic (±1 standard deviation) in filtered (<0.45 µm) and unfiltered water samples and aqueous (filtered) arsenic as a percentage of total (unfiltered) in samples collected from surface waters (<2 m) in all study lakes between September 2015 and August 2016 (n = 93).
| site | filtered As (µg L−1) | unfiltered As (µg L−1) | % aqueous As |
|---|---|---|---|
| Angle Lake | 2.0 (±1.1) | 2.2 (±0.9) | 91 |
| Lake Killarney | 11.4 (±6.0) | 16.2 (±7.8) | 70 |
| North Lake | 1.3 (±0.7) | 1.4 (±0.5) | 93 |
| Steel Lake | 2.3 (±1.6) | 3.1 (±2.3) | 74 |