When tested with an XRF instrument (with repeated tests on each component, for a minimum of 60 seconds per test) the small Oneida Culinaria ceramic bowl (with a sort of beige colored glaze) pictured here had the following readings: Food surface of the bowl: Zinc (Zn): 25,300 +/- 800 ppm Copper (Cu): 218 +/- 57…
Welcome new group members!!!! If you have not yet seen the free preview screener of my documentary film about this issue, MisLEAD: America’s Secret Epidemic, it is up on YouTube for a bit longer [viewable for free for a very limited time – before we take it down so we can finish the film!]— and I strongly encourage…
Published: January 9, 2020 Updated: January 13, 2020 Heya San Francisco! My girlfriend in San Francisco just called me with this question, and I get this exact question often enough that I wanted to write this post — so I don’t have to dig for the city’s resource information (which is down towards the bottom…