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Demolition, reconstruction and maintenance work with biopersistent mineral wools (TRGS 521)
Edition: February 2008 (inofficial version; mandatory is the current German version)
TRGS 521 "Demolition, reconstruction and maintenance work with biopersistent mineral wools" (PDF file, 54 KB)
TRGS 521 Abbruch-, Sanierungs- und Instandhaltungsarbeiten mit alter Mineralwolle