Table 4 Hazardous waste to unknown handling 1999 to 2007, by material. 1 000 tonnes

4 Hazardous waste to unknown handling 1999 to 2007, by material. 1 000 tonnes¹
Type of material	1999	2000	2001	2002	2003	2004	2005	2006	2007


Total	59	60	46	56	96	98	81	81	69
Waste containing oil	45	47	33	42	40	46	34	36	22
Waste containing solvents	4	3	3	4	1	2	1	1	1
Other organic hazardous wastes	4	4	4	3	41	37	36	30	35
Waste containing heavy metals, polluted matter	4	5	5	5	8	8	6	8	8
Corrosive waste	0	0	0	0	0	0	0	0	0
Other inorganic hazardous wastes	0	0	0	0	0	1	0	0	0
Contaminated wastewater	0	0	0	0	0	0	0	0	0
Photochemicals	1	1	1	2	1	2	2	3	2
Nonclassified hazardous waste	0	0	0	0	4	2	2	3	1

¹	Amendments in legislation entering into force 01.01.2003 define additionally some waste types as hazardous. In 2003 about 49 000 tonnes of such waste types were handled in unknown ways.