Replies

To: neverdem

what creates PM2.5 particulates?

What they are they?

9 posted on 11/06/2012 6:47:00 AM PST by bert ((K.E. N.P. N.C. +12 ..... Present failure and impending death yield irrational action))

To: bert

what creates PM2.5 particulates?

Some stuff burning.

"PM2.5 air pollution is generated by combustion © Shutterstock," is the caption for the image after the title.

10 posted on 11/06/2012 11:45:11 AM PST by neverdem ( Xin loi min oi)

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