Maysaa Shaker Saeed , Dr. Reyam Naji Ajmi 2023. THE PROBABILITY OF CALCULATING THE POLLUTION LIMIT IN MINERAL-CONTAMINATED (PB ,CR, CU) IN THE INTEGRATED ECOSYSTEM IN THE CONTROLLING HEADQUARTERS /AL- MUTHANNA MILITARY AIRPORT – BAGHDAD. JournalNX - A Multidisciplinary Peer Reviewed Journal. 9, 3 (Mar. 2023), 323–333. DOI:https://doi.org/10.17605/OSF.IO/WM4QV.