AI-generated summary
PFAS-ämnen finns i brandskum och har förorenat många brandövningsplatser. Kemikalieinspektionen klassar ämnena som hälsofarliga och de sprider sig snabbt i grundvatten.
PFAS finns bland annat i brandskum och många brandövningsplatser har blivit kraftigt förorenade. Kemikalieinspektionen betraktar PFAS-ämnena som hälsofarliga och ämnena sprider sig snabbt om de kommer i kontakt med grundvattnet.
– Det finns tusentals platser där man använt brandskum som kan innehålla PFAS, säger hydrogeologen Robert Earon på Statens geotekniska institut, SGI, som ligger bakom den nya forskningen.
Lovande metod
SGI:s forskning har gjorts på uppdrag av regeringen och utförts vid brandövningsplatser vid Sundsvalls och Örnsköldsviks flygplatser. Där har aktivt kol använts i marken och metoden beskrivs som både lovande och förhållandevis enkel.
I videon ser du hur Robert Earon och hans forskarlag har gått till väga för att stoppa PFAS-läckaget.
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