Sangrur, May 21 -- Days after the test reports suggested water contamination in eight schools, the district administration has ordered a retest. The regional water testing laboratory had collected 68 water samples - 29 from private schools and 39 from government ones - between April 1 and May 16. The reports revealed that the samples from four private schools as well as four government schools failed to meet the quality standards. The findings prompted the administration to order a new round of testing in the affected schools. Sources said most of the schools use reverse osmosis (RO) systems to purify water, but the water samples were taken reportedly from submersible pumps. DC Sandeep Rishi said that the administration was working to equip schools with RO systems. Initial tests revealed that three private and two government schools had bacteriological contamination. Two other government schools had elevated fluoride levels....