[Carbon Aerosol Particulate Analysis Instruments - Sunset Lab Sunset Laboratory has been leading the way for Organic/Elemental Carbon Aerosol (OCEC) measurements since 1984. We remain the market leader in OCEC instrumentation and analysis for filters with our Laboratory-based OCEC analyzer and in ambient monitoring with our Semi-Continuous OCEC aerosol analyzer. Our instrumentation has the ability to easily perform a variety of different analysis methods, such as NIOSH Method 5040, Improve-A, STN, EUSAAR2, as well as others.Sunset Laboratory Inc. OCEC analyzers are found throughout the world at many universities, commercial laboratories, meteorological stations, and both state and federal government agencies. Our domestic and international representatives are spread across six continents and many countries. We look forward to working with you today, as we have for the last 35 years.]