ʻO kēia kahi papa kaapuni 8 no ka huahana PC i hoʻopili ʻia. ʻO ka hoʻopau OSP (Organic Surface Preservative) kahi hui a he ʻōmaʻomaʻo ʻōmaʻomaʻo hoʻi i ka hoʻohālikelike ʻana me nā hopena PCB kēpau kēpau, nā mea i loaʻa nā mea ʻona he nui aku, a i ʻole koi aku i ka nui o ka ʻai o ka ikehu. He hopena alakaʻi maikaʻi ʻole ʻole ka OSP, me nā papa pālahalaha loa no ka ʻAha SMT, akā he ola pōkole loa kona.