Is crumb rubber safe? What the research can tell you
California's 2026 assessment found no significant health risks within the chemical-exposure scenarios it evaluated. This is reassuring evidence, not a universal safety certificate. Material, surface-system and environmental checks still matter.
Explore the questionsHazard, exposure and risk are different
Chemical evidence
OEHHA's 2026 result applies within its study scope, not to every material or every use.
Separate questions
Chemical exposure, fall protection, heat, maintenance and environmental release are not one test.
Local rules still apply
EU rules restrict placing qualifying sports infill on the market from 17 October 2031.
Read the evidence
Choose a question to read more.
What did the California study find?
The final 2026 assessment is reassuring about the chemical exposures it evaluated.
California’s Office of Environmental Health Hazard Assessment released its final synthetic turf report on 5 March 2026. It reported no significant health risks to players, referees, coaches and spectators from the assessed field-related chemical exposures associated with crumb-rubber infill.
The report’s limitations matter too. It did not evaluate turf blades and backing, ecological effects or field runoff, degradation particles, or physical and microbiological hazards. Its finding is not proof that every rubber source or complete surface is risk-free.
What did the EPA research establish?
Exposure research informs risk assessment; it does not replace one.
The US EPA and CDC/ATSDR programme investigated tyre-crumb constituents and potential exposure on synthetic turf fields. Its exposure-characterisation report was released in April 2024.
EPA explicitly states that the work is not a risk assessment. It helps fill evidence gaps; it does not certify a supplier’s product or approve a proposed playground. See the EPA questions and answers.
Why does the EU restriction still matter?
Environmental release rules and human-health findings answer different questions.
The EU’s restriction addresses intentionally added microplastics. Under Regulation 2023/2055, the transition for qualifying granular infill used on synthetic sports surfaces ends on 17 October 2031. Reassuring chemical-risk findings do not override that market restriction.
Do not extrapolate EU rules to every country, or assume other destinations have no restrictions. Ask the importer or responsible project adviser to confirm current requirements for the intended use.
What should a buyer check next?
Separate the material evidence from the finished system's approval and operating plan.
- Material: intended use, required grading and physical/chemical acceptance limits.
- Evidence: what each report tested, when, by which method and whether it represents the proposed supply.
- System: the installer or specifier’s performance evidence and acceptance requirements.
- Operation: the site’s maintenance, exposure-control and environmental-management requirements.
For playgrounds, the CPSC handbook treats impact protection, installation and maintenance as practical safety requirements. A favourable chemical study cannot establish fall protection.
For Bedrock granule enquiries, tell us which tests and documents your project requires. We will confirm what information is available for the proposed order. Do not assume a lot certificate, independent test or universal compliance claim is included.
Have a defined material requirement?
Send your intended use, acceptance limits, quantity and destination. We can discuss the material and available supporting information while your project adviser confirms suitability and compliance.
Discuss the material requirementCommon questions
Does this article certify Bedrock granules as safe?
No. It explains public research. Material acceptance and system suitability require evidence appropriate to the particular project and proposed supply.
Can a general study replace a requested test report?
No. Public research provides context; it does not establish the measured properties of a particular batch or installed system.