It calls for the president to prepare a " non-binding preliminary allocation of responsibility " nbar, allocating percentages of the total response costs at a site among the prps, after completion of a " remedial investigation and feasibility study ". 该要素要求总统在完成补偿性调查和可行性研究之后,准备一个“非限制的预备责任分配”。也就是在潜在责任方之间,分配废物处置场地上全部反应费用的比例。