hayan contaminado
Present perfect subjunctive ellos/ellas/ustedes conjugation of contaminar.

contaminar

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2,500+ learners.
Retire y deseche los paneles de yeso y el material de aislamiento que se hayan contaminado con el agua de la inundación o con aguas residuales.
Remove and throw out drywall and insulation that was contaminated with flood water or sewage.
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to dust