Judicial review of the interim consumer product safety standard established in subsection (a), as such standard is in effect on and after the last day of the 60-day period specified in such subsection, shall be limited solely to the issue of whether any changes made by the Commission under paragraph (1) are technical, nonsubstantive changes. For purposes of such review, any change made by the Commission under paragraph (1) which requires that any test to determine the flame spread rating of cellulose insulation shall include a correction for variations in test results caused by equipment used in the test shall be considered a technical, nonsubstantive change.