Hazardous chemicals in synthetic turf materials and their bioaccessibility in digestive fluids

Journal of Exposure Science & Environmental Epidemiology
Junfeng Jim ZhangWilliam Crain

Abstract

Many synthetic turf fields consist of not only artificial grass but also rubber granules that are used as infill. The public concerns about toxic chemicals possibly contained in either artificial (polyethylene) grass fibers or rubber granules have been escalating but are based on very limited information available to date. The aim of this research was to obtain data that will help assess potential health risks associated with chemical exposure. In this small-scale study, we collected seven samples of rubber granules and one sample of artificial grass fiber from synthetic turf fields at different ages of the fields. We analyzed these samples to determine the contents (maximum concentrations) of polycyclic aromatic hydrocarbons (PAHs) and several metals (Zn, Cr, As, Cd, and Pb). We also analyzed these samples to determine their bioaccessible fractions of PAHs and metals in synthetic digestive fluids including saliva, gastric fluid, and intestinal fluid through a laboratory simulation technique. Our findings include: (1) rubber granules often, especially when the synthetic turf fields were newer, contained PAHs at levels above health-based soil standards. The levels of PAHs generally appear to decline as the field ages. However, t...Continue Reading

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Sep 26, 2012·Archives of Environmental Contamination and Toxicology·Tiziana SchiliròGiorgio Gilli
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Jan 30, 2021·Journal of Hazardous Materials·Filipa O GomesNuno Ratola
Nov 21, 2018·Environmental Research·Alaina N PerkinsVasilis Vasiliou

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