the Thermo Scientific MS Certified Vials. All MS Certified Vials are processed and tested for background particulates. A typical vial that has not 6,000 5,000 4,000 3,000 2,000 1,000 0 ≥0.1µm ≥0.15µm ≥0.2µm ≥0.3µm ≥0.5µm ≥2.0µm ≥5.0µm ≥10µm ≥15µm Competitive Vials MS Certified Vials Typical Cumulative Particle Counts