1957 Hardy Boys Book. The Ghost At Skeleton Rock. Hardcover. Cover Image (under jacket): 835 +/- 35 ppm lead. Interior pages: 74 +/- 12 ppm lead. Tested with an XRF instrument. Personally I avoid letting my children use vintage books, because they almost always test positive for lead (plus we live near Powell’s, one of…
1951 printing “Sex Without Fear” (OMG! LOL! This was my great-uncle’s – he was a doctor & this is a prescription book!) Cover: 226 ppm lead & 24 ppm arsenic. Pages: 24 ppm lead. New books are generally lead-free! 90 ppm lead and higher is considered unsafe for any items intended for use by children….
Vintage book, circa 1949, used in a library through 1962. XRF readings for lead were between 700 and 1400 ppm (pages and covers). The amount of lead that is considered unsafe for children in a newer item manufactured and sold today is 90 ppm lead or higher. This reading was done with a Niton XRF…
Carissa is my amazing friend – who has (nearly single-handedly) pulled me out of the funk I have been in over the past year (in the chaos following the surprise attack, decimation and near extinguishment of a huge chunk of my life’s work – the nonprofit I founded.) Carissa helped me set myself up as an Amazon Affiliate…