IOP Conference Series: Materials Science and Engineering PAPER • OPEN ACCESS Using the Leopold Matrix Procedure to Assess the Environmental Impact of Pollution from Drinking Water Projects in Karbala City, Iraq To cite this article: F A Al-Nasrawi et al 2020 IOP Conf. Ser.: Mater. Sci. Eng. 671 012078 View the article online for updates and enhancements. This content was downloaded from IP address 23.95.195.76 on 05/02/2020 at 03:26