| Total rated thermal input (MW) | Coal and lignite and other solid fuels | Biomass | Peat | Liquid fuels |
|---|---|---|---|---|
| 50-100 | 400 | 200 | 300 | 350 |
| 100-300 | 250 | 200 | 300 | 250 |
| > 300 | 200 | 200 | 200 | 200 |
Combustion plants, using solid fuels which were granted a permit before 27 November 2002 or the operators of which had submitted a complete application for a permit before that date, provided that the plant was put into operation no later than 27 November 2003, and which do not operate more than 1 500 operating hours per year as a rolling average over a period of 5 years, shall be subject to an emission limit value for SO2 of 800 mg/Nm3.
Combustion plants using liquid fuels, which were granted a permit before 27 November 2002 or the operators of which had submitted a complete application for a permit before that date, provided that the plant was put into operation no later than 27 November 2003, and which do not operate more than 1 500 operating hours per year as a rolling average over a period of 5 years, shall be subject to an emission limit value for SO2 of 850 mg/Nm3 in case of plants with a total rated thermal input not exceeding 300 MW and of 400 mg/Nm3 in case of plants with a total rated thermal input greater than 300 MW.
A part of a combustion plant discharging its waste gases through one or more separate flues within a common stack, and which does not operate more than 1 500 operating hours per year as a rolling average over a period of 5 years, may be subject to the emission limit values set out in the preceding two paragraphs in relation to the total rated thermal input of the entire combustion plant. In such cases the emissions through each of those flues shall be monitored separately.
| In general | 35 |
| Liquefied gas | 5 |
| Low calorific gases from coke oven | 400 |
| Low calorific gases from blast furnace | 200 |
Combustion plants, firing low calorific gases from gasification of refinery residues, which were granted a permit before 27 November 2002 or the operators of which had submitted a complete application for a permit before that date, provided that the plant was put into operation no later than 27 November 2003, shall be subject to an emission limit value for SO2 of 800 mg/Nm3.
| a The emission limit value is 450 mg/Nm3 for the firing of distillation and conversion residues from the refining of crude-oil for own consumption in combustion plants with a total rated thermal input not exceeding 500 MW which were granted a permit before 27 November 2002 or the operators of which had submitted a complete application for a permit before that date, provided that the plant was put into operation no later than 27 November 2003. | |||
| Total rated thermal input (MW) | Coal and lignite and other solid fuels | Biomass and peat | Liquid fuels |
|---|---|---|---|
| 50-100 | 300 450 in case of pulverised lignite combustion | 300 | 450 |
| 100-300 | 200 | 250 | 200a |
| > 300 | 200 | 200 | 150a |
Combustion plants in chemical installations using liquid production residues as non-commercial fuel for own consumption with a total rated thermal input not exceeding 500 MW which were granted a permit before 27 November 2002 or the operators of which had submitted a complete application for a permit before that date, provided that the plant was put into operation no later than 27 November 2003, shall be subject to an emission limit value for NOx of 450 mg/Nm3.
Combustion plants using solid or liquid fuels with a total rated thermal input not exceeding 500 MW which were granted a permit before 27 November 2002 or the operators of which had submitted a complete application for a permit before that date, provided that the plant was put into operation no later than 27 November 2003, and which do not operate more than 1 500 operating hours per year as a rolling average over a period of 5 years, shall be subject to an emission limit value for NOx of 450 mg/Nm3.
Combustion plants using solid fuels with a total rated thermal input greater than 500 MW, which were granted a permit before 1 July 1987 and which do not operate more than 1 500 operating hours per year as a rolling average over a period of 5 years, shall be subject to an emission limit value for NOx of 450 mg/Nm3.
Combustion plants using liquid fuels, with a total rated thermal input greater than 500 MW which were granted a permit before 27 November 2002 or the operators of which had submitted a complete application for a permit before that date, provided that the plant was put into operation no later than 27 November 2003, and which do not operate more than 1 500 operating hours per year as a rolling average over a period of 5 years, shall be subject to an emission limit value for NOx of 400 mg/Nm3.
A part of a combustion plant discharging its waste gases through one or more separate flues within a common stack, and which does not operate more than 1 500 operating hours per year as a rolling average over a period of 5 years, may be subject to the emission limit values set out in the preceding three paragraphs in relation to the total rated thermal input of the entire combustion plant. In such cases the emissions through each of those flues shall be monitored separately.
Gas turbines for emergency use that operate less than 500 operating hours per year are not covered by the emission limit values set out in this point. The operator of such plants shall record the used operating hours.
| a Natural gas is naturally occurring methane with not more than 20 % (by volume) of inerts and other constituents. | ||
| b 75 mg/Nm3 in the following cases, where the efficiency of the gas turbine is determined at ISO base load conditions: (i) gas turbines, used in combined heat and power systems having an overall efficiency greater than 75 %; (ii) gas turbines used in combined cycle plants having an annual average overall electrical efficiency greater than 55 %; (iii) gas turbines for mechanical drives. | ||
| c For single cycle gas turbines not falling into any of the categories mentioned under note (2), but having an efficiency greater than 35 % – determined at ISO base load conditions – the emission limit value for NOx shall be 50xη/35 where η is the gas turbine efficiency at ISO base load conditions expressed as a percentage. | ||
| d 300 mg/Nm3 for such combustion plants with a total rated thermal input not exceeding 500 MW which were granted a permit before 27 November 2002 or the operators of which had submitted a complete application for a permit before that date, provided that the plant was put into operation no later than 27 November 2003. | ||
| NOx | CO | |
|---|---|---|
| Combustion plants firing natural gas with the exception of gas turbines and gas engines | 100 | 100 |
| Combustion plants firing blast furnace gas, coke oven gas or low calorific gases from gasification of refinery residues, with the exception of gas turbines and gas engines | 200d | — |
| Combustion plants firing other gases, with the exception of gas turbines and gas engines | 200d | — |
| Gas turbines (including CCGT), using natural gasa as fuel | 50b c | 100 |
| Gas turbines (including CCGT), using other gases as fuel | 120 | — |
| Gas engines | 100 | 100 |
For gas turbines (including CCGT), the NOx and CO emission limit values set out in the table contained in this point apply only above 70 % load.
For gas turbines (including CCGT) which were granted a permit before 27 November 2002 or the operators of which had submitted a complete application for a permit before that date, provided that the plant was put into operation no later than 27 November 2003, and which do not operate more than 1 500 operating hours per year as a rolling average over a period of 5 years, the emission limit value for NOx is 150 mg/Nm3 when firing natural gas and 200 mg/Nm3 when firing other gases or liquid fuels.
A part of a combustion plant discharging its waste gases through one or more separate flues within a common stack, and which does not operate more than 1 500 operating hours per year as a rolling average over a period of 5 years, may be subject to the emission limit values set out in the preceding paragraph in relation to the total rated thermal input of the entire combustion plant. In such cases the emissions through each of those flues shall be monitored separately.
Gas turbines and gas engines for emergency use that operate less than 500 operating hours per year are not covered by the emission limit values set out in this point. The operator of such plants shall record the used operating hours.
| a The emission limit value is 50 mg/Nm3 for the firing of distillation and conversion residues from the refining of crude oil for own consumption in combustion plants which were granted a permit before 27 November 2002 or the operators of which had submitted a complete application for a permit before that date, provided that the plant was put into operation no later than 27 November 2003. | |||
| Total rated thermal input (MW) | Coal and lignite and other solid fuels | Biomass and peat | Liquid fuelsa |
|---|---|---|---|
| 50-100 | 30 | 30 | 30 |
| 100-300 | 25 | 20 | 25 |
| > 300 | 20 | 20 | 20 |
| In general | 5 |
| Blast furnace gas | 10 |
| Gases produced by the steel industry which can be used elsewhere | 30 |
In case of combined cycle gas turbines with supplementary firing, the standardised O2 content may be defined by the competent authority, taking into account the specific characteristics of the installation concerned.
| Total rated thermal input (MW) | Coal and lignite and other solid fuels | Biomass | Peat | Liquid fuels |
|---|---|---|---|---|
| 50-100 | 400 | 200 | 300 | 350 |
| 100-300 | 200 | 200 | 300 250 in case of fluidised bed combustion | 200 |
| > 300 | 150 200 in case of circulating or pressurised fluidised bed combustion | 150 | 150 200 in case of fluidised bed combustion | 150 |
| In general | 35 |
| Liquefied gas | 5 |
| Low calorific gases from coke oven | 400 |
| Low calorific gases from blast furnace | 200 |
| Total rated thermal input (MW) | Coal and lignite and other solid fuels | Biomass and peat | Liquid fuels |
|---|---|---|---|
| 50-100 | 300 400 in case of pulverised lignite combustion | 250 | 300 |
| 100-300 | 200 | 200 | 150 |
| > 300 | 150 200 in case of pulverised lignite combustion | 150 | 100 |
Gas turbines for emergency use that operate less than 500 operating hours per year are not covered by the emission limit values set out in this point. The operator of such plants shall record the used operating hours.
| a For single cycle gas turbines having an efficiency greater than 35 % – determined at ISO base load conditions – the emission limit value for NOx shall be 50xη/35 where η is the gas turbine efficiency at ISO base load conditions expressed as a percentage. | ||
| NOx | CO | |
|---|---|---|
| Combustion plants other than gas turbines and gas engines | 100 | 100 |
| Gas turbines (including CCGT) | 50a | 100 |
| Gas engines | 75 | 100 |
For gas turbines (including CCGT), the NOx and CO emission limit values set out in this point apply only above 70 % load.
Gas turbines and gas engines for emergency use that operate less than 500 operating hours per year are not covered by the emission limit values set out in this point. The operator of such plants shall record the used operating hours.
| Total rated thermal input (MW) | |
|---|---|
| 50-300 | 20 |
| > 300 | 10 20 for biomass and peat |
| In general | 5 |
| Blast furnace gas | 10 |
| Gases produced by the steel industry which can be used elsewhere | 30 |
The concentration of CO in waste gases from each combustion plant firing gaseous fuels with a total rated thermal input of 100 MW or more shall be measured continuously.
for combustion plants with a life span of less than 10 000 operational hours;
for SO2 and dust from combustion plants firing natural gas;
for SO2 from combustion plants firing oil with known sulphur content in cases where there is no waste gas desulphurisation equipment;
for SO2 from combustion plants firing biomass if the operator can prove that the SO2 emissions can under no circumstances be higher than the prescribed emission limit values.
The automated measuring systems shall be subject to control by means of parallel measurements with the reference methods at least once per year.
The operator shall inform the competent authority about the results of the checking of the automated measuring systems.
| Carbon monoxide | 10 % |
| Sulphur dioxide | 20 % |
| Nitrogen oxides | 20 % |
| Dust | 30 % |
Any day in which more than three hourly average values are invalid due to malfunction or maintenance of the automated measuring system shall be invalidated. If more than 10 days over a year are invalidated for such situations the competent authority shall require the operator to take adequate measures to improve the reliability of the automated measuring system.
no validated monthly average value exceeds the relevant emission limit values set out in Parts 1 and 2;
no validated daily average value exceeds 110 % of the relevant emission limit values set out in Parts 1 and 2;
in cases of combustion plants composed only of boilers using coal with a total rated thermal input below 50 MW, no validated daily average value exceeds 150 % of the relevant emission limit values set out in Parts 1 and 2,
95 % of all the validated hourly average values over the year do not exceed 200 % of the relevant emission limit values set out in Parts 1 and 2.
The validated average values are determined as set out in point 10 of Part 3.
For the purpose of the calculation of the average emission values, the values measured during the periods referred to in Article 30(5) and (6) and Article 37 as well as during the start-up and shut-down periods shall be disregarded.
| a For combustion plants firing oil shale, the minimum rate of desulphurisation is 95 %. | ||
| Total rated thermal input (MW) | Minimum rate of desulphurisation | |
|---|---|---|
| Plants which were granted a permit before 27 November 2002 or the operators of which had submitted a complete application for a permit before that date, provided that the plant was put into operation no later than 27 November 2003 | Other plants | |
| 50-100 | 80 % | 92 % |
| 100-300 | 90 % | 92 % |
| > 300 | 96 %a | 96 % |
| Total rated thermal input (MW) | Minimum rate of desulphurisation |
|---|---|
| 50-100 | 93 % |
| 100-300 | 93 % |
| > 300 | 97 % |
The minimum rates of desulphurisation set out in Part 5 of this Annex shall apply as a monthly average limit value.
Average emission limit values (mg/Nm3) for SO2 for multi-fuel firing combustion plants within a refinery, with the exception of gas turbines and gas engines, which use the distillation and conversion residues from the refining of crude-oil for own consumption, alone or with other fuels:
for combustion plants which were granted a permit before 27 November 2002 or the operators of which had submitted a complete application for a permit before that date, provided that the plant was put into operation no later than 27 November 2003: 1 000 mg/Nm3;
for other combustion plants: 600 mg/Nm3.
These emission limit values shall be calculated at a temperature of 273,15 K, a pressure of 101,3 kPa and after correction for the water vapour content of the waste gases and at a standardised O2 content of 6 % for solid fuels and 3 % for liquid and gaseous fuels.