Aaron Johnson

Building science, indoor healthy environments nerd.

[Aaron Johnson @rhumbline76]

@EnergyVanguard What am I looking at? Are y'all still burning witches down in Georgia?

[Aaron Johnson @rhumbline76]

@allisonbailes I have to admit I've been guilty of all of these, even though I know the "rules". My favorite presentations I've given had NO slides. But, I LOVE making slides, so I rarely have nothing to project.

[douglasbooker.bsky.social @DouglasBooker]

Excellent article explaining why measuring PM2.5 is not enough, and that we really need to start looking at the number of particles that we breathe in, not just their mass.

[Aaron Johnson @rhumbline76]

What would you do if $25k fell in your lap?

[Aaron Johnson @rhumbline76]

I just paid $8 for an incognito Coors at the Denver airport, but #eeba2019 was fun, so at least I've got that.

[Aaron Johnson @rhumbline76]

I just earned the 'Paint the Town Red' badge on @untappd! https://t.co/cT1LakzJtp

[Aaron Johnson @rhumbline76]

I just earned the 'Brewery Pioneer (Level 14)' badge on @untappd! https://t.co/mXrLcrfbo1

[Aaron Johnson @rhumbline76]

I just earned the 'Ye Olde Pub' badge on @untappd! https://t.co/b1ssdSnPAj

[Aaron Johnson @rhumbline76]

I just earned the 'I Believe in IPA! (Level 9)' badge on @untappd! https://t.co/T61rq0KwIG #ibelieveinIPA

[Aaron Johnson @rhumbline76]

I just earned the 'Verified Adventure (Level 3)' badge on @untappd! https://t.co/DsRrd66qaJ

[Aaron Johnson @rhumbline76]

I just earned the 'Bar Explorer (Level 9)' badge on @untappd! https://t.co/GYXKc50cUu

[Aaron Johnson @rhumbline76]

I just earned the 'Layover' badge on @untappd! https://t.co/2gpJPPMwHd

[Aaron Johnson @rhumbline76]

I just earned the 'Wheel of Styles (Level 10)' badge on @untappd! https://t.co/UcUNWJPBR1

[Aaron Johnson @rhumbline76]

I just earned the 'Middle of the Road (Level 16)' badge on @untappd! https://t.co/ljwXrHIBcr

[Aaron Johnson @rhumbline76]

I just earned the 'New Brew Thursday' badge on @untappd! https://t.co/l5o5ei3kEH #NewBrewThursday

[NAQTS @NAQTS]

Happy #CleanAirDay!

For #CleanAirDay2019 @globalactplan / @cleanairdayuk asked us to measure the concentration of ultrafine particle #airpollution inside and outside four family homes in different UK locations.

You can read the full study here -> https://t.co/fu73YqS1WJ

[Aaron Johnson @rhumbline76]

I just earned the 'Land of the Free (Level 22)' badge on @untappd! https://t.co/x8MBjUQWyJ

[Aaron Johnson @rhumbline76]

I just earned the 'Draft City (Level 14)' badge on @untappd! https://t.co/2JMHIXpFdk

[Aaron Johnson @rhumbline76]

I just earned the 'Cheers to Independent U.S. Craft Breweries (Level 16)' badge on @untappd! https://t.co/FOfHOirJUU

[Aaron Johnson @rhumbline76]

@allisonbailes Looking for a crawl space, no doubt.