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- URG-2000-01J (Weekly Air Particulate Sampler)
- URG-2000-01K (Dual Sequential Fine Particle Sampler)
- URG-3000ABC (Medium Volume Particulate Sampler)
- URG-3000C (Annular Denuder System)
- URG-3000DB (Semi-Volatile Organic Aerosol Sampler)
- URG-3000K (Versatile Air Pollutant Sampler - VAPS)
- URG-3000M (Mercury Sampling System)
- URG-3000N Carbon Sampler
- URG-9000A (Anion Particle System)
- URG-9000B (Anion and Cation Particle System)
- URG-9000C (Anion Particle and Gas System)
- URG-9000D (Anion and Cation Particle and Gas System)