Contrary to the complete removal of SDS, complete diesel oil decontamination was not achieved in
liquid culture or in soil. A content of ca. lo-30% of the initial oil pollution remains at 1O’C in soil [ 171 and
in liquid culture [ 18,191, even after a prolonged treatment. Similar values were reported at mesophilic
temperatures [24]. The residual fraction of diesel oil consists mainly of multiple condensed cycloaliphatics