Background Access to safe drinking-water is a fundamental requirement for good health and
is also a human right. Global access to safe drinking-water is monitored by WHO and …

Arsenic's history in science, medicine and technology has been overshadowed by its
notoriety as a poison in homicides. Arsenic is viewed as being synonymous with toxicity …

During the past two decades, several studies on arsenic (As) occurrence in the environment,
particularly in surface and groundwater systems have reported high levels of As in many …

Access to electricity, clean energy, and safe drinking water services are genuine needs of
the rural poor for their welfare. These needs can be addressed either individually or in an …

Well into the 21st century, safe and affordable drinking water remains an unmet human
need. At least 1.8 billion people are potentially exposed to microbial contamination, and …

The identification of arsenic-contamination hotspots in alluvial aquifers is a global-scale
challenge. The collection and inventory of arsenic concentration datasets in the shallow …

Consumption of drinking water with high nitrate may pose a serious health hazard. This
study examined nitrate concentration in the water of dug wells at the Jashore district of …

Generally, abstracted groundwater is aerated, leading to iron (Fe 2+) oxidation to Fe 3+ and
precipitation as Fe 3+-(hydr) oxide (HFO) flocs. This practice of passive groundwater …

Maintenance of existing household arsenic (As) removal technologies are comparatively
difficult due to the use of the sand beds as a filter. Moreover, pre-aeration of groundwater is …

Abstract Background Concentrations of arsenic (As) are elevated in a large proportion of
wells in Bangladesh but are spatially variable even within a village. This heterogeneity can …