The city of Jackson has confirmed that water samples taken from various points in the city's distribution system tested below the detection limit — one-half part per billion — for lead. "Director of ...

Particle size distribution (PSD) analysis is a cornerstone of soil science, providing essential insights into soil structure, fertility and its response to environmental change. This analytical field ...

The Scripps data and sample policy follows the approach of the National Science Foundation described in publication NSF 24-124: Division of Ocean Sciences Sample and ...

When particles in a sample are the same size, one particle can be measured to report the result. If the sample has a narrow distribution, such as 10-25 µm, then measurement of just a few particles can ...