§ Mr. DobsonTo ask the Secretary of State for the Environment if he will give constant emission factors for nitrogen oxides for each of the emission sources listed in table 2.6 of the latest "Digest of Environmental Protection and Water Statistics".
103W
§ Mr. Trippier[holding answer 1 May 1990]: Summary of emission factors used to estimate emissions of nitrogen oxides in 1988.
Solid fuels (kg/tonne) Coal Anthracite Coke SSF Petroleum coke Domestic 1.5 1.5 1.5 1.5 — Commercial/public service 4.8 — 4.8 4.8 — Power stations 9.0 — — — — Refineries — — — — 4.8 Agriculture 4.8 — 4.8 — — Other industry 4.8 — 4.8 4.8 — Railways 4.8 — — — — Source: Warren Spring laboratory.
Oils (kg/tonne) Burning oil Fuel oil Gas oil Miscellaneous Naphtha Domestic 2.1 7.4 4.5 — — Commercial/public service 2.1 7.4 4.5 — — Power stations — 10.71 11.37 — — Refineries — 7.4 4.5 7.4 7.4 Agriculture 2.1 7.4 4.5 — — Other industry 2.1 7.4 4.5 — — Railways 2.1 7.4 50.6 — — Shipping — 6.3 3.2–80 — — Source: Warren Spring laboratory.
Gases (kg/million therms) LPG Natural gas OPG Town gas Others1 Domestic 5,275 5,275 — 5,275 — Commercial/public service — 10,550 — 10,550 — Power stations — 26,380 — — — Refineries 10,550 10,550 10,550 — — Agriculture — 10,550 — — — Other industry 10,550 10,550 10,550 10,550 10,550 1 Others gases includes blast furnace gas, coke oven gas and colliery methane. Source: Warren Spring laboratory.
Non fuel Incineration (kg/tonne of waste) (kg/tonne production) Domestic 1.5 — Agricultural 1.5 — Industrial 1.0 — Acid production — 3–12 Source: Warren Spring laboratory.
§ Mr. DobsonTo ask the Secretary of State for the Environment if he will give constant emission factors for methane for each of the emission sources listed in table 2.12 of the latest "Digest of Environmental Protection and Water Statistics."
Solid fuels (kg/tonne) Coal Anthracite Coke SSF Petroleum coke Domestic 676.6 813.4 803.6 774.2 — Commercial/public service 659.6 — 796.5 766.3 — Power stations 588.2 — — — — Refineries — — — — 800 Agriculture 659.6 — 796.5 — — Other industry 659.6/710 — 796.5/820 766.3/790 — Railways 659.6 — — — — 104W
Oils (kg/tonne) Burning oil DERV Fuel oil Gas oil Miscellaneous Naptha Petrol Domestic 859 — 850 — — — — Commercial/public service 859 — 850 857 — — — Power stations — — 850 857 — — —
§ Mr. Trippier[holding answer 1 May 1990]: Summary of emission factors used to estimate emissions of carbon dioxide, as carbon, in 1988:
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Burning oil DERV Fuel oil Gas oil Miscellaneous Naptha Petrol Refineries — — 850 857 800 940 — Agriculture 859 — 850 857 — — — Other industry 859 — 850 857 — — — Railways 859 — 850 857 — — — Road transport — 857 — — — — 855 Shipping — — 850 857 — — —
Gases (kg/million therms) LPG Natural gas/colliery methane OPG Town/Coke oven gas Blast furnace gas Domestic 1,874,000 1,537,000 — 1,599,000 — Commercial/public service — 1,537,000 — 1,599,000 — Power stations — 1,537,000 — — — Refineries 1,874,000 1,537,000 1,627,000 1,599,000 — Agriculture — 1,537,000 — — — Other Industry 1,874,000 1,537,000 1,627,000 1,599,000 6,274,000
Non-fuel Incineration (kg/tonne of waste) Domestic 200 — Agriculture 200 — Industrial 194 — Cement — 1137.3 Gas flaring — 21,537,000 Gas Production — 21,537,000 Source:
Warren Spring laboratory.
1kg/tonne.
2 kg/million therms.
§ Mr. DobsonTo ask the Secretary of State for the Environment if he will give figures for sulphur dioxide concentrations recorded by each of his Department's 287 sites and each of Warren Spring Laboratory's seven sites in the latest available year.
§ Mr. Trippier[holding answer 1 May 1990]: Data on the annual average concentration of sulphur dioxide measured
Solid fuels (kg/tonne) Coal Anthracite Coke SSF Petroleum coke Domestic 0.125 0.015625 0.015625 0.015625 — Commercial/public service 0.000875 — 0.000875 0.000875 — Power stations 0.001875 — — — — Refineries — — — — 0.000875 Agriculture 0.000875 — 0.000875 — — Other industry 0.000875 — 0.000875 0.000875 — Railways 0.000875 — — — — 106W
Oils (kg/tonne) Burning oil Fuel oil Gas oil Miscellaneous Naptha Domestic 0.000875 0.00075 0.000875 — — Commercial/public service 0.000875 0.00075 0.000875 — — Power stations — 0.001125 0.000875 — — Refineries — 0.00075 0.000875 0.00075 0.00075 Agriculture 0.000875 0.00075 0.001625 — — Other industry 0.000875 0.00075 0.000875 — — Railways 0.000875 0.00075 0.165625 — — Shipping — 0.001875 0.001875-0.1125 — — at the 287 sites of the EC Directive network for April 1988-March 1989 have been published by Warren Spring Laboratory in Report No. LR 763 entitled "UK Smoke and Sulphur dioxide monitoring networks: summary tables for April 1988-March 1989". A copy has been placed in the Library.
The seven other sites referred to are part of Warren Spring Laboratory's automatic monitoring network. The location of the sites is shown in figure 2.1 of the Digest of Environmental Protection and Water Statistics, No. 12, 1989. Results for a full year are not yet available.
§ Mr. DobsonTo ask the Secretary of State for the Environment if he will give constant emission factors for carbon dioxide for each of the emission sources listed in table 2.11 of the latest "Digest of Environmental Protection and Water Statistics."
§ Mr. Trippier[holding answer 1 May 1990]: Summary of emission factors used to estimate emissions of methane in 1988:
107W
Gases (kg/million therms) LPG Natural gas OPG Town gas Others1 Domestic 10.5625 4.3125 — 4.3125 — Commercial/public service — 1.9125 — 1.9125 — Power stations — 1.9125 — — — Refineries 1.9125 1.9125 1.9125 — — Agriculture — 1.9125 — — — Other industry 1.9125 1.9125 1.9125 1.9125 1.9125
Non-fuel Incineration (kg/tonne of waste) Domestic 0.009375 — Agriculture 0.08125 — Industrial 0.09375 — Gas leakage — 1807.25kg/million therms Landfill — —2 Cattle — —2 Other animals — —2 Flaring and venting — —2 Coal mines — —2 1 Others include blast furnace gas, coke oven gas and colliery methane. 2 No simple factor. Source: Warren Spring laboratory.
§ Mr. DobsonTo ask the Secretary of State for the Environment if he will give constant emission factors for sulphur dioxide for each of the emission sources listed in table 2.3 of the latest "Digest of Environmental Protection and Water Statistics".
(kg/tonne) Coal Anthracite Coke SSF Petroleum coke Solid fuels Domestic 19.36 16.00 16.00 16.00 — Commercial/public service 26.60 — 19.00 19.00 — Power stations 28.88 — — — — Refineries — — — — 19.00 Agriculture 26.60 — 19.00 — — Other industry 22.60–28.00 — 19.00 19.00 — Railways 26.60 — — — —
(kg/tonne) Burning oil DERV Fuel oil Gas oil Miscellaneous Naphtha Petrol Oils Domestic 0.20–0.62 — 38.904 5.0 — — — Commercial/public service 0.62 — 38.904 5.0 — — — Power stations 0.62 — 38.904 5.0 — — — Refineries 0.62 — 38.904 5.0 38.904 38.904 — Agriculture 0.62 . 38.904 5.0 — — — Other industry 0.62 — 38.904 5.0 — — — Railways 0.62 — 38.904 5.0 — — — Road Transport — 3.8 — — — — 0.8 Shipping 0.62 — 38.904 5.0 — — —
(kg/million therms) Gases Coke oven gas Other industry 143,000
(kg/tonne product) Non-fuel Acid production 3.28–13.33 Source: Warren Spring laboratory.
108W
§ Mr. Trippier[holding answer 1 May 1990]: Summary of emissions factors used to estimate emissions of sulphur dioxide in 1988: