Walia in 2023 sued Coup de Thai - a fixture on the main drag of wealthy Los Gatos since 2014 - and alleged that during a 2021 meal, the restaurant's Dragon Balls caused chemical burns to her vocal cords, esophagus and the inside of her right nostril, leaving her with "permanent injuries." The restaurant in a 2023 court filing denied Walia's claims.
Carbon dioxide is typically stored in tanks and is widely used by restaurants. California's hazardous materials law requires that employees receive training on the storage and handling of carbon dioxide. Leaks that displace oxygen can result in serious harm or even death. Restaurants are required to certify employees and file reports with local regulators confirming such training.