Hefty metal contamination in groundwater is An important problem in Pakistan, and scientific tests have claimed the presence of large metals which include lead, cadmium, chromium, and nickel in lots of samples over the permissible limits set with the WHO [161,175]. The sources of major steel contamination are assorted, like https://share.evernote.com/note/2e57821a-0d6d-107b-e8b2-d649ff82b035