If the Commission determines, based on the study in subparagraph (A), that x-ray fluorescence technology or other alternative methods for measuring lead in paint are as effective, precise, and reliable as the methodology used by the Commission for compliance determinations prior to August 14, 2008, the Commission may promulgate regulations governing the use of such methods in determining the compliance of products with part 1303 of title
16, Code of Federal Regulations, as modified pursuant to this subsection. Any regulations promulgated by the Commission shall ensure that such alternative methods are no less effective, precise, and reliable than the methodology used by the Commission prior to August 14, 2008.