Observed concentrations have been in the range of 0.1-4.8 parts per billion (ppb) in rural air, 4-10.5 ppb in urban air, and 7-260 ppb in industrial air samples.
Skoraj dve tretjini se ga predela v polipropilen, ki je surovina za proizvodnjo folij, embalaže, pokrovčkov in druge proizvode.