english: Whereas the other three piles were dead, dark and stinky, and the PAH's -- the aromatic hydrocarbons -- went from 10,000 parts per million to less than 200 in eight weeks.
non_english: Terwijl de andere drie stapels dood waren en stonken. en de PAK's -- de aromatische koolwaterstoffen -- namen af van 10.000 ppm tot minder dan 200 in acht weken.