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31st May 2021, 07:02 PM #16
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31st May 2021 07:02 PM # ADSGoogle Adsense Advertisement
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31st May 2021, 07:27 PM #17.
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The MSDS only lists the recommended exposure limits for soft wood sawdust ie 5mg/m^3 - the blue additive is not mentioned.
This is an 50 year old standard "borrowed" from the Brits. It says nothing about particle size and the fact that PM2.5 is the 5th leading cause of death in the world, and the PM2.5 levels are what should be concerning us. If your DC system is working properly I'd suggest you should not have a problem with the additive.
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14th December 2021, 02:07 PM #18
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27th December 2021, 04:46 PM #19GOLD MEMBER
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