In the field of research: Geochemistry - Environment and Medical Geology With the grace of God alone, our professors published our latest research in the prestigious academic journal Journal of Hazardous Materials, which is ranked second in the world according to the Scopus index in the field of environment and in the best 2 to 5 percent in other classifications. Effect_factor: 13.6, classified as A+. The research is the result of the work of an Algerian-Russian international group and team, which dealt with a new field that combines geochemistry - mineralogy - environment and medical geology.

In the pictures and comments, there is a summary and some insights into the research and the methods used. The research results are of great importance in managing the environment. Many thanks to the National Phosphate Company for the assistance. My sincere congratulations to the first author, Dr. Bilal Boumaza, for his efforts that make us proud to publish at this level. This is the third research published with him in prestigious journals and our ninth research on phosphates. I hope that we have the capabilities to achieve more to serve the nation.