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Los Angeles high end environmental quartz high wfficiency concentrator

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Los Angeles high end environmental quartz high wfficiency concentrator

The ambient PM 2.5 mass concentration ranged from 11.9 μg/m 3 to 46.5 μg/m 3, while the enriched concentration varied in the range of 253 – 940 μg/m 3.The average enrichment factor (EF) over the entire sampling campaign was 20.1 ± 6.1, which is very close to the ideal value of 22 [].Average number- based concentration enrichment factor during the sampling campaign was 15.3 ± 3.7.

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