LAHORE: The myth that the arsenic level in groundwater of the provincial capital is increasing has finally been disproved as arsenic level in the city’s drinking water is not above permissible value, but in fact falling considerably under that value.Recently, Punjab Food Authority along with teams of Water and Sanitation Agency took samples from more than 600 tube-wells and these samples were sent to Punjab University’s Chemistry Department for independent testing. The PU’s Chemistry...