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.