Brock Hammill (@bhammill) 's Twitter Profile
Brock Hammill

@bhammill

Teacher, parent, tech enthusiast, track coach

ID: 2590382329

linkhttps://sites.google.com/site/chshammill/ calendar_today26-06-2014 22:32:01

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Brock Hammill (@bhammill) 's Twitter Profile Photo
Brock Hammill
@bhammill

3 years ago

If you teach about air pollution this is a great calculator for turning PM2.5 exposure to the equivalent health impacts in number of cigarettes. jasminedevv.github.io/AQI2cigarettes/