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VOC Source Strengths in Pre- and Post-Occupancy Periods of a New California State Office Building

Volatile organic compound (VOC) source strength data are valuable for identifying and addressing important sources of potential VOC exposure in buildings. Concentration measurement data alone are insufficient for reliable assessment of occupant exposures outside of the sample collection period itself. Few published data exist with calculation of VOC source strengths in new buildings during construction and after completion.

Such calculations require indoor and outdoor VOC concentrations and air change rates to be measured contemporaneously. VOC source strengths based on VOC and ventilation rate measurements made as part of the “IAQ commissioning” process in a new “green” State of California office building are reported.


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