Complex sentence: Some of Parsons' colleagues rejected this explanation, noting that he was very attentive about safety; two from the Bermite Powder Company described his work habits as "scrupulously neat" and "exceptionally cautious".
Split into simpler sentences: Some of Parsons'colleagues rejected this explanation, saying that he was very attentive about safety. Two colleagues from the Bermite Powder Company described Parsons' work habits as "scrupulously neat" and "exceptionally cautious".