Artificial turf is surface of synthetic fibers resembling natural grass. It is widely used for sports fields for being more hard-wearing and resistant than natural surfaces. Most use infills of crumb rubber from recycled tires; this use is controversial because of concerns that the tires contain carcinogens, though as of 2023 there is no scientific consensus as to if the use and exposure to artificial turf has an increase risk of cancers such as brain cancers, though research into the issue is ongoing.[1]

Studies

An unpublished study by Rutgers University examined crumb rubber from synthetic fields in New York City. It found six possibly carcinogenic polycyclic aromatic hydrocarbons at levels excessive to state regulations. The researchers warned that the findings could have been made inaccurate by solvent extraction used to release the chemicals from the rubber.[2]

In a statistical study of the list of soccer players with cancer provided by UW coach Amy Griffin, public health researchers for the State of Washington found that the rates of cancer were actually lower than was estimated for the general population. While they did not state any conclusions on the safety of this form of artificial turf, they did recommend that players not restrict their play due to the presumed health benefits of being active.[3]

In 2007, the California Office of Environmental Health Assessment (OEHHA) simulated interactions children can have with after coming into direct contact with artificial turf. Results showed that five chemicals, including four polycyclic aromatic hydrocarbons (PAHs), were found in samples. One of these compounds, chrysene, was present at levels higher than the standard established by OEHHA. Chrysene is a known carcinogen, meaning it can increase the risk of a child developing cancer.[4]

In late 2015, the United States Congress' House Energy and Commerce Committee ordered for the Environmental Protection Agency (EPA) to investigate a link. As of 2016, the EPA, the Consumer Product Safety Commission and the Centers for Disease Control and Prevention were investigating.[5]

In 2018, a study commissioned by the Dutch minister of Health, Welfare and Sport from the Dutch National Institute for Public Health and the Environment found that "our findings for a representative number of Dutch pitches are consistent with those of prior and contemporary studies observing no elevated health risk from playing sports on synthetic turf pitches with recycled rubber granulate".[6]

A 2019 Yale study showed that there were 306 chemicals in crumb rubber and that 52 of these chemicals were classified as carcinogens by the Environmental Protection Agency (EPA). They stated that "a vacuum in our knowledge about the carcinogenic properties of many crumb rubber infill. The crumb rubber infill of artificial turf fields contains or emits chemicals that can affect human physiology."[7]

In 2020, the European Risk Assessment Study on Synthetic Turf Rubber Infill was completed; published in Science of the Total Environment, this was a scientific study funded by companies and industry association from the tyre granulate supply chain, drawing on data from diverse parts of Europe. The researchers concluded that "there are no relevant health risks associated with the use of synthetic turfs with ELT-derived infill material".[8]

A 2022 study published in the same journal analyzed the composition of synthetic turf football pitches from 17 countries. It confirmed the presence of "hazardous substances in the recycled crumb rubber samples collected all around the world" including PAHs of high and very high concern. The study concluded that different stakeholders "must work on a consensus to protect not only human health but also the environment, since there is evidence that crumb rubber hazardous chemicals can reach the environment and affect wildlife." The paper did not, however, discuss cancer risk in any detail.[9]

In March 2023, investigative reporters from the Philadelphia Inquirer bought souvenir samples of the old Veterans Stadium AstroTurf used from 1977–81 and commissioned diagnostics through the Eurofins Environmental Testing laboratory. The resulting lab report linked per- and polyfluoroalkyl substances (PFAS) to the turf. Six former Philadelphia Phillies who played at Veterans Stadium, home to the team from 1971 to 2003, died from glioblastoma, an aggressive brain cancer: Tug McGraw, Darren Daulton, John Vukovich, Johnny Oates, Ken Brett, and David West.[10]

Testimonies

Nigel Maguire, formerly a chief executive for the National Health Service in Cumbria, claims that his son, a goalkeeper, could have developed Hodgkin's lymphoma by playing on an artificial surface. He has called for a ban on the surfaces, saying "It is obscene so little research has been done."[11]

In 2014, Amy Griffin, soccer coach at the University of Washington, surveyed American players of the sport who had developed cancer. Of 38 players, 34 were goalkeepers, a position in which diving to the surface makes accidental ingestion or blood contact with crumb rubber more likely, Griffin has asserted. Lymphoma and leukemia, cancers of the blood, predominated.[12]

Sports organizations

FIFA, the world governing body of association football (soccer), has stated that the evidence weighs in favour of artificial pitches being safe. The Football Association of England stated in February 2016 that they were observing reports and conducting their own research on the issue.[11]

References

  1. ↑ Hughes, Geraint (3 February 2016). "Report claims link between 3G pitches and cancer". Sky Sports. Retrieved 17 February 2016.
  2. ↑ "Laboratory Identification of Compounds Released from Tire Crumbs and Rubber Mulch". Environment and Human Health Inc. Retrieved 16 February 2016.
  3. ↑ "Investigation of Reported Cancer Among Soccer Players in Washington State" (PDF). Washington State Department of Health. Retrieved 23 March 2018.
  4. ↑ "Evaluation of Health Effects of Recycled Waste Tires in Playground and Track Products". California Office of Environmental Health Hazard Assessment.
  5. ↑ Ozanian, Mike (13 February 2016). "Government Finally To Look Into Possible Link Between Artificial Turf And Cancer". Forbes.com. Retrieved 16 February 2016.
  6. ↑ Pronk, Marja E. J.; Woutersen, Marjolijn; Herremans, Joke M. M. (May 2020). "Synthetic turf pitches with rubber granulate infill: are there health risks for people playing sports on such pitches?". Journal of Exposure Science & Environmental Epidemiology. 30 (3): 567–584. doi:10.1038/s41370-018-0106-1. ISSN 1559-064X. PMC 7181390. PMID 30568187. S2CID 56480664.
  7. ↑ Perkins, AN; Inayat-Hussain, SH; Deziel, NC; et al. (2019). "Evaluation of potential carcinogenicity of organic chemicals in synthetic turf crumb rubber". Environmental Research. 169: 163–172. Bibcode:2019ER....169..163P. doi:10.1016/j.envres.2018.10.018. PMC 6396308. PMID 30458352.
  8. ↑ Schneider, Klaus; Bierwisch, Anne; Kaiser, Eva (2020-05-20). "ERASSTRI - European risk assessment study on synthetic turf rubber infill – Part 3: Exposure and risk characterisation". Science of the Total Environment. 718: 137721. Bibcode:2020ScTEn.718m7721S. doi:10.1016/j.scitotenv.2020.137721. ISSN 0048-9697. PMID 32173010. S2CID 212729483.
  9. ↑ Armada, Daniel; Llompart, Maria; Celeiro, Maria; Garcia-Castro, Pablo; Ratola, Nuno; Dagnac, Thierry; de Boer, Jacob (2022-03-15). "Global evaluation of the chemical hazard of recycled tire crumb rubber employed on worldwide synthetic turf football pitches". Science of the Total Environment. 812: 152542. Bibcode:2022ScTEn.812o2542A. doi:10.1016/j.scitotenv.2021.152542. hdl:10347/27898. ISSN 0048-9697. PMID 34952075. S2CID 245432545.
  10. ↑ "Six former Phillies died from the same brain cancer. We tested the Vet's turf and found dangerous chemicals".
  11. 1 2 "Fake football pitches gave my teenage son cancer, says former NHS boss". The Daily Telegraph. 15 February 2016. Retrieved 16 February 2016.
  12. ↑ Rappleye, Hannah (8 October 2014). "How Safe Is the Artificial Turf Your Child Plays On?". NBCNews.com. NBCUniversal Media, LLC. Retrieved 16 February 2016.
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