; and (ii) to undertake remediation activities on the site where investigative sampling was conducted on conclusion of investigative sampling. (B) Return to preexisting conditions If the activities carried out by a Good Samaritan under an investigative sampling permit result in surface water quality conditions, or any other environmental or safety conditions, that are worse than the preexisting conditions of the applicable abandoned mine site due to historic mine residue at the abandoned mine site, the Good Samaritan shall return the abandoned mine site to those preexisting conditions. (6) Permit conversion Not later than 1 year after the date on which the investigative sampling under the investigative sampling permit concludes, a Good Samaritan to whom an investigative sampling permit is granted under paragraph (1) may apply to convert an investigative sampling permit into a Good Samaritan permit under subsection (e)(1). (e) Investigative sampling conversion (1) In general A person to which an investigative sampling permit was granted may submit to the Administrator an application in accordance with paragraph (2) to convert the investigative sampling permit into a Good Samaritan permit. (2) Application (A) Investigative sampling An application for the conversion of an investigative sampling permit under paragraph (1) shall include any requirement described in subsection (c) that was not included in full in the application submitted under subsection (d)(3). (B) Public notice and comment An application for permit conversion under this paragraph shall be subject to— (i) environmental review and public comment procedures required by subsection (l); and (ii) a public hearing, if requested. (f) Content of permits (1) In general A Good Samaritan permit shall contain— (A) the information described in subsection (c), including any modification required by the Administrator