Post #689233 by Atomic Tiki Punk on Wed, Aug 7, 2013 8:16 PM

Don't forget the FDA only monitored samples
on a small percentile for actual testing, as many lead content items
made it into stores (especially from China) during the 80s & 90s

So lead content can not be an absolute measure on a production date
and for the home ceramicist there also was many unsafe glazes on the market also.