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This study proposes to develop methodologies for public water supply quality control by implementing evaluation and control mechanisms and enhancing environmental health surveillance decision-making. These objectives were based on data for waterborne diseases recorded at the Rio de Janeiro State Health Department. We selected the following neighborhoods: Posse (1st Township) and Caioaba (5th To...

A project is underway to map die indoor radon potential for New York State at the township level. Through a detector distribution program the New York State Department of Health has a database of over 36,000 basement screening measurements. The address field for the indoor measurement data is being linked to latitude and longitude coordinates using data files containing coordinate information. ...

An adaption of the original HLL scheme for the one-dimensional nonconservative Euler system modeling gaz flow in variational porosity media is proposed . Numerical scheme is detailed and algorithm is tested with two Riemann problems.