§ Mr. MorleyTo ask the Secretary of State for the Environment if he will list the proportionate contribution of each category of waste arising to the total waste generated in the United Kingdom.
§ Mr. AtkinsThe table shows the best available estimates of waste arisings, by sector. Most of the estimates are very approximate, and relate to the period around 1990. It is not possible to update them on an annual basis.
499W
Sector Annual arisings (million tonnes) Date of Estimate Status1 Source Percentage of total arisings Household8 20 — C DOE 5 Commercial9 15 — C DOE 4 Demolition and construction10 32 190 C DOE 8 Industrial blast furnace and steel slag 6 1990 C DOE 2 power station ash 13 1990 C DOE 3 other11 50 — C DOE 13 Total 388 1NC=Not classed as a controlled waste under the terms of the Environmental Protection Act (Controlled Waste Regulations) 1992; PC=sewage sludge is classed as a controlled waste as defined in the Environmental Protection Act (Controlled Waste Regulations) 1992 except when disposed of on agricultural land or within the curtilage of sewage works at which it arises; dredged spoils are classed as a controlled waste when licensed for disposal under the Food and Environmental Protection Act. See Schedule 6 of the Collection and Disposal of Waste Regulation, 1988. C=controlled wastes under the terms of the Environmental Protection Act (Controlled Waste Regulations) 1992. 2Refers to wastes from housed livestock only. Wet weight. 3Excludes wastes from opencast coal mining. Includes wastes from primary aggregate extraction comprising the overburden and any contaminating materials found in the quarry, most of which is used as infill when the quarry is abandoned. Waste arisings are estimated at 10 per cent. of annual aggregate production. 4Quarries inspectorate. 5Wet weight arisings, estimated on the basis of 4 per cent. solid content on average. 6Water Services Association. 7The data are for all United Kingdom waters, ie, external and internal waters. 8Estimated maximum value of 20 million tonnes which includes up to 5 million tonnes from civic Amenity Sites. 9Rounded to nearest 5 million tonnes, of which approximately 5 million tonnes is wastes normally collected from retail shops and small commercial premises by Local Authorities. 10Refers only to hard materials from construction sites, eg, brick and concrete and road planings. 11Rounded to nearest 10 million tonnes.