Esta Norma Oficial Mexicana establece los límites máximos permisibles de plomo y cadmio solubles, que deben cumplir los artículos de alfarería vidriada, cerámica vidriada, porcelana y artículos de vidrio, que se utilicen para contener y procesar alimentos y bebidas. Se aplica a cualquier tipo de alfarería, cerámica vidriada o artículos de vidrio, coloreados o no, con decoración o sin ella pudiendo presentarse ésta en el interior, exterior (labio y borde) o en ambas posiciones.

The purpose of this bill is to broaden the scope of this standard, incorporating in it the glass, colored or not, decorated or not, inside or outside, since also in the glassware industry formulations used to decorate these items, containing lead and cadmium. If the formulation decorator material is poor and / or insufficient cooking, the scenery becomes potentially toxic, representing a health risk from eating contaminated food and drink.This standard will establish the permissible limits of lead and cadmium released, it must meet the full range of products defined therein. Therefore the primary objective is to protect the public against health risks, such as damage to the nervous system, kidneys, reproductive system, bone fragility, disruption of memory, anemia, lungs, immune system, etc., derived from the release of lead and cadmium in glazed pottery, glazed ceramic, porcelain and glass intended to come into contact with food and beverages. These provisions have preventive, seeking to reduce risks associated with the use of potentially eluting articles of these metals.