What is “nominal” emission factor?
The “nominal” emission factor is defined as the emission factor of a chemical at 24 hours after a specimen is placed in the dynamic chamber. The value was calculated using the measured chamber concentration at 24 hour, air change rate (N, 1/h) and material loading ratio (L, m2/m3): The “nominal factor” can used to compare contaminant emissions within the same type of products/materials.
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