In this episode, Subhi Saadeh delves into the specifics of USP chapters 788 and 790, which focus on the testing and acceptance criteria for sub-visible and visible particles in injectable drug products. He explains the importance of these standards in preventing health risks such as embolisms and allergic reactions. The episode outlines the methods used for testing, including light obscuration and microscopic particle count tests, as well as the required visual inspections for visible particles. Subhi also discusses the differences in scope between USP and ISO standards and emphasizes the critical role of operator training and clean handling practices in ensuring product safety.Subhi Saadeh is a Quality Professional and host of Let's Combinate. With a background in Quality, Manufacturing Operations and R&D he's worked in Large Medical Device/Pharma organizations to support the development and launch of Hardware Devices, Disposable Devices, and Combination Products for Vaccines, Generics, and Biologics. Subhi serves currently as the International Committee Chair for the Combination Products Coalition(CPC) and as a member of ASTM Committee E55 and also served as a committee member on AAMI's Combination Products Committee.For questions, inquiries or suggestions please reach out at letscombinate.com or on the show's LinkedIn Page.