In lead (element 82), for example, the effects of such processes are already at work and contribute to the chemical processes in lead batteries. The neighbors left and right—thallium and bismuth ...
The 1998 EU Drinking Water Directive introduces a maximum allowable lead concentration of 25 ?g/l from the end of 2003, reducing to 10 ?g/l at the end of 2013. The 25 ?g/l standard will be difficult ...
ASHEVILLE - After officials announced on Nov. 14 that lead had been found in water at several Asheville schools, the spokesperson for the city’s water system said new testing has found no lead ...