Weighty metallic contamination in groundwater is An important problem in Pakistan, and experiments have documented the presence of large metals including lead, cadmium, chromium, and nickel in lots of samples earlier mentioned the permissible boundaries set through the WHO [161,one hundred seventy five]. The sources of large metallic contamination are https://share.evernote.com/note/207a371e-e2ed-5dd3-0121-c46870e774b9