Complex sentence: Karen Wetterhahn's death shocked not only the entire chemistry department, but even regulatory agencies, as the accidental exposure occurred despite all at that time known measures being taken including the use of latex gloves, a fume hood, and adherence to standard safety procedures.
Split into simpler sentences: Karen Wetterhahn's death shocked not only the entire chemistry department but even regulatory agencies, as the accidental exposure occurred despite having taken all at that time known measures. These included the use of latex gloves, a fume hood, and adherence to standard safety procedures.