Blue and silver Franciscan Twilight pattern dish: 304,000 ppm (30%!) Lead on the blue glazed food surface of the dish.
Franciscan | Franciscan Potteries | Franciscan Pottery | Franciscan Twilight | Gladding McBean & Co. | Made In California | Twilight
XRF test results for the dish pictured. Reading #1) on the blue center of the dish 60-Second Reading Lead (Pb): 304,000 +/- 21,000 ppm Cadmium (Cd): 269 +/- 91 ppm Tin (Sn): non-detect Mercury (Hg): non-detect Selenium (Se): non-detect Barium (Ba): 2,482 +/- 804 ppm Arsenic (As): non-detect Chromium (Cr): non-detect Antimony (Sb): 468 +/-…