You have the Corrupt Wingecarribee Shire Council and the Corrupt Boral Cement Plant & NSW EPA to thank.
24/7 humming every night when your trying to sleep.
24/7 airborne cement particles in the air to inhale.
Dangers of breathing in cement dust.
http://elcosh.org/document/1563/d000513 ... ement.html
No matter how many times you wash your vehicle, it always comes back.