Arsenic in tube well water in Bangladesh: health and economic impacts and implications for arsenic mitigation
Sara V Flanagan, Richard B Johnston & Yan Zheng
Volume 90, Number 11, November 2012, 839-846
Table 1. Arsenic concentration in drinking water and proportions exposed as determined by testing during national surveys, Bangladesh
| Arsenic concentration (µg/L) | BGS/DPHE 2000 (n = 3 534) |
MICS 2009 (n = 14 442) |
|||
|---|---|---|---|---|---|
| Proportion (%) | Cumulative (%) | Proportion (%) | Cumulative (%) | ||
| 0–10 | 57.9 | 57.9 | 68.0 | 68.0 | |
| 10.1–50 | 17.1 | 75.1 | 18.7 | 86.6 | |
| 50.1–100 | 8.9 | 84.0 | 7.2 | 93.8 | |
| 100.1–150 | 4.2 | 88.2 | 1.4 | 95.2 | |
| 150.1–200 | 2.9 | 91.1 | 1.4 | 96.6 | |
| 200.1–250 | 2.1 | 93.2 | 1.1 | 97.8 | |
| 250.1–300 | 1.8 | 94.9 | 0.4 | 98.2 | |
| 300+ | 5.1 | 100 | 1.8 | 100 | |
BGS, British Geological Survey; DPHE, Department of Public Health Engineering; MICS, Multiple Indicator Cluster Survey.