Table 2: The Development of general Swedish clean-up levels (not comprehensive).

Pollutant	General Swedish Clean-up level, Sensitive land use 1996 [20] mg/kg DS	General Swedish Clean-up level, Sensitive land use 2008 [21] mg/kg DS	General levels implying low risk if used for construction material, Sweden 2010 [22] mg/kg DS
Barium	No value	200	No value
Benzene	0.06	0.012	No value
Copper	100	80	40
Mercury	1	0.25	0.1
Zink	350	250	120