Costco begins testing for harmful substances in products American retail brand Costco recently announced a hazardous substance testing project called Smart Screening Program (SSP) for products on the shelves. At the strong request of many NGOs, Costco finally announced the implementation of this new hazardous substances management action. According to information on the official website, Costco has been conducting a variety of hazardous substance tests on specific consumer products, and ensures that the products at sales points around the world comply with local consumer regulations, such as the EU REACH regulations, the US TSCA and California Bill 65, etc. , under the newly launched SSP project, a list of more than 300 hazardous substances of concern (CoCs) has been established, and there is no doubt that hazardous substances exceed standards. However, the official website does not disclose which specific consumer products are tested for which regulations. According to a chemical substance management survey report conducted by the international NGO Safer Chemicals, Healthy Families (SCHF) on the 11 largest retail brands in the United States, Costco's performance last year was classified as failing, with only 9.5 points out of a possible 130. In this survey, Walmart and Target came out on top. SCHF pointed out that although Costco’s official website still cannot know the SSP inspection