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Positive Doping Test Linked to Crumb Rubber From Artificial Football Pitch: Case Report
Astrid Gjelstad1,2, Geir Holden3, Per Ole M Gundersen4
1Science and Medicine, Anti-Doping Norway, Oslo, Norway.
Drug Testing and Analysis
|March 26, 2026
Abstract:
1,3-DMBA was detected in urine samples of eight athletes following a doping control, resulting in one AAF and levels below WADA's MRL in seven teammates. Investigation revealed contamination from rubber infill used on the indoor artificial turf, with analysis confirming 1,3-DMBA in the turf's crumb rubber originating from recycled tires.
