; and (B) by adding at the end the following: (C) Criteria for determination of exceptional event demonstration (i) In general The criteria for evidence, analyses, and documentation applicable to approval or disapproval of an exceptional event demonstration under the regulations under this section shall be stated with specificity in order to minimize the discretion of the Administrator in approving or disapproving that demonstration. (ii) State participation The Administrator shall develop the criteria in conjunction with input from the States. (iii) Contents The criteria shall reflect the varying levels of technical expertise and resources available in State and local agencies and the varying availability of meteorological and other monitoring data in rural areas, and may vary with respect to different regions. (iv) Considerations In developing the criteria, the Administrator shall consider the use of an expedited or streamlined approval process and conditions under which exceptional event demonstrations may be suitable for such a process. (D) Timing of determination of exceptional event demonstration (i) Deadline for determination (I) In general Not later than 90 days after submission of an exceptional event demonstration, the Administrator shall approve, disapprove, or request additional information from a State regarding the exceptional event demonstration. (II) Administration If the Administrator does not approve, disapprove, or request additional information relating to an exceptional event demonstration within the 90-day period described in subclause (I), the demonstration shall be considered to be approved on the day after the date on which that 90-day period ends. (ii) Deadline if additional information requested (I) In general If the Administrator requests additional information from a State regarding an exceptional event demonstration under clause (i), not later than 90 days after the submission of that additional information, the Administrator shall approve or disapprove the demonstration. (II)