Complex sentence: Analysis of more than 50 samples yielded up to 3.5 parts per million of mercury-the state of Florida considers fish containing more than 1.5 PPM of mercury unsafe to eat.
Split into simpler sentences: Analysis of more than 50 samples yielded up to 3.5 ppm of mercury. The state of Florida considers fish containing more than 1.5 ppm of mercury unsafe to eat.