Table 1 Hazardous waste treated as approved 1999 to 2008, by material. 1 000 tonnes.

1 Hazardous waste treated as approved 1999 to 2008, by material. 1 000 tonnes. ¹^, ²
Type of material	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008


Total	543	611	596	602	806	885	966	1 085	1 077	1 123
Waste containing oil	116	131	148	171	195	212	247	238	280	338
Waste containing solvents	12	13	12	11	29	12	27	21	19	25
Other organic hazardous wastes	8	8	8	16	8	10	33	13	14	15
Waste containing heavy metals, polluted matter	154	169	163	196	339	364	402	551	547	482
Corrosive waste	217	259	230	129	213	208	221	211	175	200
Other inorganic hazardous wastes	1	1	1	1	8	17	32	26	14	9
Contaminated wastewater	30	23	19	20	7	59	2	20	14	45
Photochemicals	4	3	3	3	3	3	1	3	1	1
Nonclassified hazardous waste	2	4	12	55	3	0	0	2	13	7

¹	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	2 The figures for 2003 onwards are based on more complete data sources than the figures towards 2002. .
Source: Statistics Norway, 2009.
More information: Håkon Skullerud, Kari Benterud Mellem.