Chandler said the target is between 1.5 to 2 NTUs (Nephelometric Turbidity Units) to begin normal treatment and filtration process to put potable water back into the system. He said another ...
In connexion with work on the disintegration of lithium by ions of the heavy isotope of hydrogen 1, we prepared mixtures of the hydrogen with pure helium and stored these over water in an aspirator.
The water level at Marikina River went back to normal level on Friday following the onslaught of Severe Tropical Storm Kristine, which heavily hit Luzon in the past days. As of 3 p.m., the Marikina ...
However, the U.S. Drought Monitor map, produced by the National Drought Mitigation Center ... The DEP would make a drought declaration only after monitoring departures from normal ranges over a period ...