Specifically, the purposes of this Agreement are to: (a) Identify operable unit alternatives which are appropriate at the Site prior to the implementation of final EPA Region IX/State of Arizona/Marine Corps FFA Marine Corps Air Station Yuma August 16, 1991 remedial action(s) for the Site. OU alternatives shall be identified as early as possible prior to proposal of OUs to EPA and the State. This process is designed to promote cooperation among Parties in identifying OU alternatives prior to the final selection of Operable Units;
(b) Establish requirements for the performance of a Remedial Investigation to determine fully the nature and extent of the threat to the public health or welfare or the environment caused by the release and threatened release of hazardous substances, pollutants, or contaminants at the Site and to establish requirements for the performance of a Feasibility Study for the Site to identify, evaluate, and select alternatives for
the appropriate remedial action(s) to prevent, mitigate, or abate
the release or threatened release of hazardous substances, pollutants, or contaminants at the Site in accordance with CERCLA
and applicable State law; (c) Identify the nature, objective, and schedule of response actions to be taken at the Site. Response actions at
the Site shall attain that degree of cleanup of hazardous substances, pollutants or contaminants mandated by CERCLA and applicable State law.