The adverse effects of minimum wage legislation demonstrate how a government policy presumably intended to help people worst off in society can actually end up causing far more harm than good. In this case, the victims are unskilled laborers. By making it illegal for employers to pay unskilled workers wages equal to their marginal revenue productivity, it causes unemployment for all workers whose productivity happens to be below the minimum wage. It also widens the wage gap between whites and minorities because there are disproportionate numbers of unskilled and uneducated minorities compared with whites.

Work describes treatment of community waste water in a Constructed Soil Filter System (CSF) the waste water brings about removal of COD and Nitrogen. A hybrid system titled Constructed Soil Filte (CSF) and Organic Matter Filter (OMF) has also been evaluated. The results indicate that Anammox might also be operating in the system investigated. It is concluded that in the combination of CSF and OMF can purify waste water to drinking water quality. The hybrid system succeeded in conducting experiments with the combination of CSF and OMF Treatment of Sewage water.