The Administrator shall , by regulations , specify the requirements for CEMS under subparagraph ( A ) , for any alternative monitoring system that is demonstrated as providing information with the same precision , reliability , accessibility , and timeliness as that provided by CEMS , for recordkeeping and reporting of information from such systems , and , if necessary under section 474 , for monitoring , recordkeeping , and reporting of the mercury content of fuel .
The Administrator shall specify the CEMS requirements .