Why does MCPS Board of Ed put Students on Plastic Fields That are so Much Harder than Natural Grass?

...The Synthetic Turf Council, an industry trade group, recommends 165 as its G-max limit. And manufacturer warranties for turf fields typically spell out their maximums at well below 200.

By comparison, a well-maintained natural grass field typically ranges from 80 to 140 on the G-max scale, depending on soil moisture and weather conditions, according to a brochure from the Sports Turf Managers Association...

http://www.idahostatesman.com/sports/high-school/prep-football/article161630113.html