[tag=NN] [lemma=sample] [lemma=be] [tag=RB] [□]
[tag=NN] [lemma=sample] [lemma=be] [tag=RB] [□=□]
[tag=NN] [lemma=sample] [lemma=be] [tag=RB] [!□]
A bulk sample was then sent to the OSHA Salt Lake Technical Center ( SLTC ) for analysis .