joining us live now are two guests tamara rubin, founder of lead safe mama, and doctor gina solomon, ucsf chief of occupational, environmental and climate medicine. thank you both for joining us. >> thank you. >> glad to be here. so, tamara, let me just start with you and what you discovered about the stanley tumbler. >> so i do dependent consumer goods testing for products that are sent into me through readers of the lead safe mamma.com website. and and last year, someone sent in a stanley tumbler because the bottom seal disk had fallen off. and what i learned is that these are falling off by by, you know, all the time in a common product failure mode where the glue fails, that holds the stainless steel disk over the bottom, and i use the x ray fluorescence spectrometer to test the seal that was remaining after the little disk fell off for lead. and i found the levels in the range of 300,000 to 400,000 parts per million. lead the amount of lead that's considered unsafe in an item intended for use by children in the substrate is anything 100 parts per million lead or higher? and this