Table 2 Hazardous waste treated as approved 1999 to 2007, by material. 1 000 tonnes.

2 Hazardous waste treated as approved 1999 to 2007, by material. 1 000 tonnes. ¹^, ²
Type of material	1999	2000	2001	2002	2003	2004	2005	2006	2007


Total	543	611	596	602	807	884	963	1 105	1 034
Waste containing oil	116	131	148	171	195	210	246	238	233
Waste containing solvents	12	13	12	11	29	12	27	21	19
Other organic hazardous wastes	8	8	8	16	8	10	34	13	14
Waste containing heavy metals, polluted matter	154	169	163	196	340	365	400	571	546
Corrosive waste	217	259	230	129	213	208	221	211	175
Other inorganic hazardous wastes	1	1	1	1	8	17	32	26	14
Contaminated wastewater	30	23	19	20	7	59	2	20	14
Photochemicals	4	3	3	3	3	3	1	3	1
Nonclassified hazardous waste	2	4	12	55	3	0	0	2	17

¹	Amendments in legislation entering into force 01.01.2003 define additionally some waste types as hazardous. In 2003 about 21 000 tonnes of such waste types were registered as handed in.
²	The figures for 2003 onwards are based on more complete data sources than the figures towards 2002. .