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Sunset Laboratory Inc.:

Sunset Laboratory Inc. was founded in 1984 by Bob Cary, a pioneer in the field of organic carbon and elemental carbon (OC-EC) aerosol analysis. The sample sources Sunset Laboratory analyses by this method are collected in a variety of environments for multiple purposes. Sources range from ambient urban and rural areas to mining sites, work environments, national parklands, forest fire plumes, and sites of other unusual events. Samples are taken for environmental applications such as EPA monitoring programs for visibility and particle loading. They have become experts at analyzing workplace exposure assessments. Their instruments have become the premiere analytic equipment used for OC-EC on six continents and more than 40 countries, and are ready for use with the NIOSH method 5040, IMPROVE and EUSAAR 2 protocols. Highly configurable operating parameters also allow for custom designed analysis.
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Model-4 Semi-Continuous OC-EC Field Analyzer

This rugged and compact instrument offers sensitive and reliable field operation...
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Lab OC-EC Aerosol Analyzer

It is the basis for NIOSH Method 5040 and is fully compliant with the IMPROVE pr...