It's not framed as a waiver applying to a single state - the law doesn't mention California by name at all. It frames it as: "...any State which has adopted s

It's not framed as a waiver applying to a single state - the law doesn't mention California by name at all. It frames it as: "...any State which has adopted standards (other than crankcase emission standards) for the control of emissions from new motor vehicles or new motor vehicle engines prior to March 30, 1966..."