More than one-quarter of U.S. states have enacted sales bans on multiple categories of products with intentionally added PFAS, but legal and other experts say the laws have created implementation challenges for industry due to misaligned prohibition dates and different product category definitions. New Hampshire became the latest state to enact such a ban earlier this month, setting a Jan. 1, 2027, deadline for companies to stop selling carpets or rugs, cosmetics, textile treatments, feminine hygiene products, food packaging and...