Health and Ecological Effects of Synthetic Turf Fields
This paper evaluates the health and ecological effects of synthetic turf sports fields, with particular attention to the crumb rubber infill derived from scrap tires. Drawing on multiple peer-reviewed studies, it examines concentrations of volatile organic compounds, polycyclic aromatic hydrocarbons, heavy metals, and semi-volatile organic chemicals in both outdoor and indoor artificial turf environments. The paper finds that most studies conclude exposure levels on synthetic turf fields are comparable to general urban background levels, posing no significantly greater health risk to athletes or children. However, it also notes important caveats, including elevated chemical concentrations in indoor settings, and emphasizes that ongoing research is necessary given rising demand for these installations.
- Introduction to Synthetic Turf Fields: Overview of synthetic turf technology and growing adoption
- Environmental and Health Safety Concerns: Health and ecological questions about synthetic turf infill
- Crumb Rubber Emissions and Chemical Exposure: Studies on chemical emissions from crumb rubber infill
- Comparative Studies on Urban and Field Pollution: Comparing turf field pollution to urban background levels
- Bioaccessibility of Contaminants: Measuring how contaminants enter the body through exposure
- Overall Risk Assessment and Future Considerations: Weighing current evidence and need for further research
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What makes this paper effective
- The paper organizes its argument using classical rhetorical appeals — logos, ethos, and pathos — providing a clear structural scaffold that moves from factual evidence to ethical concern to emotional appeal.
- It synthesizes multiple peer-reviewed studies consistently, allowing readers to compare findings across different research designs, locations, and populations.
- The conclusion is intellectually honest: it acknowledges the generally reassuring findings of current research while clearly stating that further investigation is warranted, avoiding overreach in either direction.
Key academic technique demonstrated
The paper demonstrates effective use of source synthesis — rather than summarizing each study in isolation, it groups studies thematically (emissions, urban comparisons, bioaccessibility) to build a cumulative picture of the evidence base. This approach shows how multiple independent findings can converge on a shared conclusion while still being interrogated critically.
Structure breakdown
The paper opens with a description of synthetic turf technology and its growing adoption (Introduction). It then raises the central environmental and health concern (Ethos section), followed by a detailed review of studies on crumb rubber emissions, urban pollution comparisons, and bioaccessibility of contaminants. The closing section (Pathos) steps back to assess the overall risk picture and issues a cautionary note about complacency, particularly regarding children's indoor exposure.
Introduction to Synthetic Turf Fields
Synthetic turf fields are a relatively recent innovation, featuring a grass-like surface that closely resembles natural grass in both appearance and function (STC 2015). They are designed to perform on a year-round basis in all weather conditions and can withstand prolonged use without requiring a recovery period. Because the surface is synthetic, it is marketed as a practical solution for replacing worn-out playing fields. Unlike natural grass, it requires significantly less water and fertilizer. It is also available in a variety of attractive styles that can be matched to the surrounding environment (STC).
Sellers of artificial turf fields argue that natural grass cannot remain fresh and resilient if used more than three to four days per week, especially in rainy conditions or during seasons when grass does not grow naturally (STC 2015). The low maintenance and reduced water requirements of large turf fields capable of serving numerous sports teams and events have driven growing demand for synthetic installations in schools and parks. Approximately 8,000 synthetic turf sports fields are currently installed and in use across North American schools, colleges, parks, and sports stadiums (STC).
Environmental and Health Safety Concerns
Despite their appeal in terms of water savings and low maintenance, synthetic sports turf fields raise a more significant question: whether they are environmentally safe as a replacement for natural grass (Cheng et al. 2014). A synthetic turf field contains infill materials derived from scrap tires. These tires contain numerous organic contaminants and heavy metals, which can evaporate or leach into rainwater and potentially pose serious threats to human health and the environment.
Some studies found that concentrations of volatile and semi-volatile organic compounds in the air over these artificial fields were not significantly higher than background levels in the surrounding natural environment. Heavy metal concentrations and organic contaminants were generally found to be below regulated limits. These studies concluded that the use of artificial or synthetic sports turf fields does not expose users — including athletes — to elevated risks. A preliminary life cycle assessment even suggested that the environmental impact of synthetic turf fields was lower than that of natural grass fields. Nevertheless, further research was encouraged to examine the feared potential damaging effects of artificial turf fields more thoroughly (Cheng et al.).
Crumb Rubber Emissions and Chemical Exposure
Most synthetic turf fields are cushioned with crumb rubber (Ginsberg et al. 2011). Rubber contains chemical components with toxic and carcinogenic properties. People using these turf fields may inhale these chemicals. Athletes face a particular risk due to their elevated breathing rates during physical activity.
Emissions from four outdoor and one indoor turf field in the state of Connecticut were studied over one summer. The study used a combination of stationary and personal air samples collected both on-field and at background locations. Results identified more than 20 chemicals of concern when evaluated in relation to duration of exposure and activities that generate greater ventilation rates among children and adults. Children were found to be at greater risk, particularly on the indoor field. The study isolated benzothiazole — a semi-volatile organic chemical (SVOC) — at concentrations 14 times higher indoors than outdoors. Nevertheless, the study concluded that the use of outdoor and indoor synthetic turf fields did not result in adverse health impacts. These results were consistent with findings from similar studies conducted by the U.S. Environmental Protection Agency in New York and in Norway, where synthetic sports turf fields were tested under varying weather conditions (Ginsberg et al.).
Bibliography
Cheng, H. et al. "Environmental and Health Impacts of Artificial Turf: A Review." Environmental Science and Technology, vol. 48, no. 4, 2014. Retrieved November 4, 2015, from http://www.ncbi.nlm.nih.gov/pubmed/24467230
Ginsberg, G. et al. "Human Health Risk Assessment of Synthetic Turf Fields, Based upon Investigation of Five Fields in Connecticut." Journal of Toxicology and Environmental Health Part A, vol. 74, no. 17, 2011. Retrieved November 4, 2015, from http://www.ncbi.nlm.nih.gov/pubmed/2179769
Pavilonis, Brian T. et al. "Bioaccessibility and Risk of Exposure to Metals and SVOCs in Artificial Turf Field Fill Materials and Fibers." Risk Analysis, 2013. Retrieved November 4, 2015, from http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4038666
Schiliro, T. et al. "Artificial Turf Football Fields: Environmental and Mutagenicity Assessment." Archives of Environmental Contamination and Toxicology, vol. 64, no. 1, 2013. Retrieved November 4, 2015, from http://www.ncbi.nlm.nih.gov/pubmed/23007896
STC. "Frequently Asked Questions." Synthetic Turf Council, 2015. Retrieved November 5, 2015, from http://www.syntheticturfcouncil.org/?page=FAQs
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