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Editor?EUR??,,????'?????<
For instance, the ?EUR??,,????'?????< That project elicited this comment from Jack Rossi, RLA of Strafford, Vermont: ?EUR??,,????'?????< ?EUR??,,????'?????< ?EUR??,,????'?????< ?EUR??,,????'?????< Results of EPA?EUR??,,????'?????< So, does the use of tire crumb pose health dangers? We?EUR??,,????'?????< ?EUR??,,????'?????<The limited study, conducted in August through October 2008, found the concentrations of materials made from tire crumb were below levels considered harmful. The researchers pointed out that given the limited nature of the study (limited number of constituents monitored, sample sites, and samples taken at each site) and the wide diversity of tire crumb material, it is not possible, without additional data, to extend the results beyond the four study sites to reach more comprehensive conclusions. The Forsyth School in St. Louis, featured in our Campus issue (June 2008) www.landscapeonline.com/research/article/10706 opted for a FieldTurf field and track made from cryogenic crumb rubber (and silica sand), one of the two categories of in-fill crumb rubber used in the artificial/synthetic sports field industry. Photo: SWT Design Study Approach The primary goal of the study was to ?EUR??,,????'?????< According to the researchers, the study confirmed most of the methods tested were accurate, reproducible and appropriate for measuring concentrations of tire crumb constituents and therefore can be used in future studies. Findings Particulate matter, metals and volatile organic compound concentrations were measured in the air samples and compared with areas away from the turf fields (background levels). The levels found in air samples from the artificial turf were similar to background levels. No tire-related fibers were observed in the air samples. All air concentrations of particulate matter and lead were well below levels of concern. More than 90 percent of the lead in the tire crumb material was tightly bound and unavailable for absorption by users of the turf fields. Zinc, which is a known additive in tires, was found in tire crumb samples. However, air and surface wipe monitoring levels of zinc were found to be below levels of concern. EPA says studies by other agencies were undertaken or completed while this survey was under way. EPA is planning a 2010 meeting with federal and state agencies to review all new study data. You can view and download the complete study at www.epa.gov/nerl/documents/tire_crumbs.pdf
That project elicited this comment from Jack Rossi, RLA of Strafford, Vermont:
?EUR??,,????'?????<
So, does the use of tire crumb pose health dangers? We?EUR??,,????'?????<
?EUR??,,????'?????<The limited study, conducted in August through October 2008, found the concentrations of materials made from tire crumb were below levels considered harmful.
The researchers pointed out that given the limited nature of the study (limited number of constituents monitored, sample sites, and samples taken at each site) and the wide diversity of tire crumb material, it is not possible, without additional data, to extend the results beyond the four study sites to reach more comprehensive conclusions.
The Forsyth School in St. Louis, featured in our Campus issue (June 2008) www.landscapeonline.com/research/article/10706 opted for a FieldTurf field and track made from cryogenic crumb rubber (and silica sand), one of the two categories of in-fill crumb rubber used in the artificial/synthetic sports field industry. Photo: SWT Design
The primary goal of the study was to ?EUR??,,????'?????<
According to the researchers, the study confirmed most of the methods tested were accurate, reproducible and appropriate for measuring concentrations of tire crumb constituents and therefore can be used in future studies.
Particulate matter, metals and volatile organic compound concentrations were measured in the air samples and compared with areas away from the turf fields (background levels). The levels found in air samples from the artificial turf were similar to background levels.
No tire-related fibers were observed in the air samples.
All air concentrations of particulate matter and lead were well below levels of concern.
More than 90 percent of the lead in the tire crumb material was tightly bound and unavailable for absorption by users of the turf fields.
Zinc, which is a known additive in tires, was found in tire crumb samples. However, air and surface wipe monitoring levels of zinc were found to be below levels of concern.
EPA says studies by other agencies were undertaken or completed while this survey was under way. EPA is planning a 2010 meeting with federal and state agencies to review all new study data. You can view and download the complete study at www.epa.gov/nerl/documents/tire_crumbs.pdf
Francisco Uviña, University of New Mexico
Hardscape Oasis in Litchfield Park
Ash Nochian, Ph.D. Landscape Architect
November 12th, 2025
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