Heavy metallic contamination in groundwater is A significant concern in Pakistan, and scientific studies have described the presence of significant metals which include direct, cadmium, chromium, and nickel in many samples previously mentioned the permissible restrictions set with the WHO [161,one hundred seventy five]. The sources of heavy steel contamination https://gablecarton.video.blog/2025/01/09/sustainable-water-packaging-leading-the-change/