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NC-v4 EQc4:Indoor air quality assessment

Indoor air quality test methods

From my understanding, in order to pass the test for PM2.5 and PM10, EPA Compendium Method IP-10 has to be used. However, the current PM2.5 and PM10 monitors are all based on the new laser technology which counts the particles and converts the count into mass per volume. This doesn't align with the IP-10 method. Are there any newly updated requirements for testing PM2.5 and PM10? Is there a list of approved devices which can be used for the testing?

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Wed, 02/11/2015 - 19:18

I believe this is under discussion with the USGBC; however, I have not been updated as to the outcome as of yet. I have had a similar concern and in discussions with AIHA approved laboratories it appears that we are not the only ones. The root cause of the problem, in my understanding - the analytical methods being referenced have not been updated since 1989 and the technology and the methods in use today have (in most cases) advanced beyond the capabilities of the referenced methods... I would be interested in the answer to this question as well. Thanks for posing it.

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