Mealey's (March 25, 2022, 8:13 AM EDT) -- SACRAMENTO, Calif. — There is no way of determining the authenticity of consumer talc bottles an expert tested for the presence of asbestos, and his belief that the bottles contained original material was pure conjecture, a company recently told a California appeals court as part of a challenge to a $12 million verdict. But in response on Feb. 3, a woman tells the court that the expert adequately explained why and how he concluded that bottles of talc sourced from an online marketplace were not tampered with and could not contain asbestos from outside sources so that even without complete chain-of-custody information, the samples were authenticated....