Table 5 Hazardous waste treated as approved 1999 to 2008, by economic activity. 1 000 tonnes.

5 Hazardous waste treated as approved 1999 to 2008, by economic activity. 1 000 tonnes. ¹^, ²
Source	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008


Total	543	611	596	602	806	885	966	1 085	1 077	1 123
Agriculture, hunting and forestry	0	0	1	0	0	0	0	0	0	1
Fishing	1	0	0	1	1	1	1	1	1	1
Mining and quarrying	81	87	85	118	83	114	125	141	147	130
Manufacturing industry	368	427	404	381	524	510	477	539	573	632
Electricity, gas, steam and water supply	3	3	8	17	22	23	31	33	34	37
Construction	3	3	5	4	8	7	9	11	16	13
Service activities	49	64	68	59	73	100	115	86	86	93
Waste management	12	12	16	14	49	57	53	55	68	68
Households	5	5	5	6	9	12	19	20	21	27
Unknown source	21	10	3	1	37	61	136	199	133	122

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. Unregistered hazardous waste handed in for approved treatment is allocated to the category "Unknown source".
Source: Statistics Norway (2009).
More information: Håkon Skullerud, Kari Benterud Mellem