Llibre Vermell de Montserrat Llibre Vermell de Montserrat The Llibre Vermell de Montserrat (, "Red Book of Montserrat") is a manuscript collection of devotional texts containing, amongst others, some late medieval songs. The 14th-century manuscript was compiled in and is still located at the monastery of Montserrat outside Barcelona in Catalonia (Spain). The manuscript was prepared in approximately 1399. It originally contained 172 double pages, of which 32 have been lost. Six folios contain music. The title "The Red Book of Montserrat" describes the red binding in which the collection was placed in the 19th century. No composer is identified for any of the
Mercury in fish plant emissions. Chlorine chemical plants use mercury to extract chlorine from salt, which in many parts of the world is discharged as mercury compounds in waste water, though this process has been largely replaced by the more economically viable membrane cell process, which does not use mercury. Coal contains mercury as a natural contaminant. When it is fired for electricity generation, the mercury is released as smoke into the atmosphere. Most of this mercury pollution can be eliminated if pollution-control devices are installed. Mercury in the United States frequently comes from power plants, which release about 50% of the nation's