UN; Summary of Field and Laboratory Testing for the Biosand Filter
Low-cost iron-asssisted filters for arsenic removal in Shanxi full document, figures, photos, results
Arsenic Treatment
Image adapted from . Arsenic Remediation in Bangladesh/Nepal: The 3-kalshi Method vs. The Arsenic BioSand Filter vs. Well head removal.
Pandey - Effects of Air Space in ABF 2004.pdf
