Tamara Rubin uses fear of lead in everyday items to grift from an anxious audience. Unlicensed to use equipment beyond the scope of its capability she attempts to exploit companies into paying her for poorly designed tests despite a lack of FDA and ISO certification, blocking anyone that dare criticize her. Chemists agree she's not qualified to make her defamatory claims, especially considering her profound conflict of interest pushing affiliate links while misusing funds from seemingly endless Gofundme campaigns.