(a) Each person or organization desiring to participate in the informal hearing required by section 6(c)(2)(C) of TSCA shall file a written request to so participate with the record and hearing clerk which shall be received no later than 7 days prior to the scheduled start of the hearing. The hearing shall begin 7 days after the close of the 30-day comment period or as soon thereafter as practicable.
(b) With the exception of the first sentence in Sec. 750.6(a), Sec. 750.6 shall be applicable with the further exception that the time period in Sec. 750.6(b) is shortened to no later than 3 days prior to the start of the hearing.