So, when a Cirrus Research doseBadge ® became dislodged and fell onto the conveyor belt of a stone crusher, Environmental Scientifics Group occupational hygienist David Wright didn’t expect to find much evidence of it left at the other end. However, when the sturdy personal noise dosimeter came out of the process not only intact but in full working order, it helped to seal David’s opinion of his first choice for personal noise measure

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