Archive | California

Calabasas California Soil Sample Testing Lead Safe Mama 3

Hello All! Here are some soil test results (using an XRF instrument) of soil samples sent from the area of Topanga / Calabasas, CA.

Note: IF you are sending me soil samples to test, please follow the instructions on the link below very carefully and please send no more than one teaspoon to one tablespoon of soil per sample. When larger amounts of soil are sent, especially when surface soil is intermingled with soil under the surface, the readings are […]

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Vintage Franciscan Desert Rose Earthenware Tamara Rubin Lead Safe Mama 1

Franciscan Desert Rose Earthenware China – c. 1941, Made in USA: 122,200 ppm Lead!

When this Franciscan Desert Rose Earthenware China (Made in the USA, c. 1941 and later) was tested with an XRF instrument it came in at 122,200 +/- 5,000 ppm lead. It is negative for Cd (cadmium), As (arsenic) and Hg (mercury), however that is one heck of a lot of lead to be found in […]

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Franciscan Potteries Ivy Platter Tamara Rubin Lead Safe Mama 1a

Franciscan Ware Potteries (c. 1948) Franciscan Ivy Pattern Serving Tray: 304,000 ppm Lead

This is a Franciscan Potteries vintage “Ivy” pattern serving tray that I got at the Good Will Bins a while back (to add to my “Museum of Lead” collection!) The interesting thing about glazes (especially on pieces that are handmade or hand-painted) is that the levels of lead can vary significantly across the surface of […]

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San Francisco Middle School Auditorium Art Deco Ceramic Tile

#Leaded: Vintage Art Deco Ceramic Tile In a San Francisco Middle School Auditorium

This tile was in a San Francisco, California middle school auditorium that I did a presentation at in 2013. It tested positive for lead at 9,391 ppm when tested with an XRF instrument. To see more posts with tile I have tested, click here. To read more about the concern for lead in tile, click […]

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