Providing Pure Water . Most of the world . It is important to distinguish between the problems in most of the world, where high arsenic levels are rare, from the problems in Bangladesh and Bengal. In most of the world, once arsenic has been discovered in drinking water, the most important action is to provide pure water to those who have been drinking from the wells. In our listing of remediation technologies we must distinguish methods appropriate for the USA and those appropriate for Bangladesh. .
Problems arise on every level.
Measurement of Each Well . The first and foremost need is to measure each well that is used for either drinking or cooking. This testing of the wells should be done in the field, using portable field test kits. Until now, field kits have been less accurate than laboratory measurements. Matt Simmons claims that a method using absorption caused by bacteria in a solution is also a good method. .