The West Morgan-East Lawrence (Alabama) Water and Sewer Authority issued a drinking-water advisory to its 10,000 customers this past week, warning the public not to drink or cook with tap water because of chemical contamination.The utility has long been aware of the presence of perfluorooctanoic acid and perfluorooctane sulfonate, which are used to make fabrics, packaging and cookware coatings, in its water system. However, new EPA limits have lowered the safety threshold of PFOA and PFOS in drinking water to combined levels of 70 parts per trillion. West Morgan-East Lawrence general manager, Don Sims, says recent tests found levels almost
