Q: How many hours per week might the best high school players use an artificial turf in a typical season?
A: 15 hours .
Q: How many average hours of use per week did the CalRecycles California Office of Environmental Health Hazard Assessment report, which surveyed California Youth Soccer Association coaches, base its risk analysis on?
A: Less than 5 .
Q: Were hours spent in "pick-up" games or non-official social activities on the fields considered?
Q: Proposition 65 requires the state of California to maintain and update a list of chemicals known to the state to cause cancer or reproductive toxicity. Do artificial turf fields that use recycled tires contain two or more chemical on that list?
Q: Do the components of styrene butadiene crumb rubber release toxic volatile organic compounds when heated in a laboratory?
Q: Can we know or test for every chemical that may be used in to create a tire?
A: No. Tire companies use "proprietary" blends and aren't asked to list all of them—and they may not be able ascertain, once the tire has been used, the exact chemical profile of the material.
Q: Did the OEHHA study calculate aggregate exposure effects of the multiple chemicals that were identified?
Q: How much more air do active players take into their lungs than bystanders?
A: Five times as much.
Q: Which is hotter on a warm day: Grass, asphalt or artificial turf?
A: Artificial turf, which has been measured as high as 160 degrees.
Q: Has there been any longterm tracking of the respiratory health of players using artificial turf fields?