Commission Decision of 29 April 2004 laying down a questionnaire to be used for annual reporting on ambient air quality assessment under Council Directives 96/62/EC and 1999/30/EC and under Directives 2000/69/EC and 2002/3/EC of the European Parliament and of the Council (notified under document number C(2004) 1714) (Text with EEA relevance) (2004/461/EC) (repealed)

Form 3 Stations and measuring methods used for assessment under 1999/30/EC (Annex IX) and 2000/69/EC (Annex VII) U.K.

Notes to Form 3: U.K.

(1) In Form 3 and other forms in this questionnaire, ‘Eol station code’ refers to the code that is used for the exchange of data under the Exchange of Information Decision 97/101/EC. ‘Local station code’ is the code used within the Member State or region. U.K.

(2) The Member State is requested to identify in the third column the zone(s) applying to ozone in which the station is located. If more than one zone is concerned, the codes should be separated by a semicolon. U.K.

(3) The Member State is requested to use the columns headed by ‘SO₂’‘NO₂’‘NO_X’, ‘Lead’, ‘Benzene’ and ‘CO’ for indicating whether the measurement is used for assessment under Directive 1999/30/EC or 2000/69/EC respectively, ticking with ‘y’ if used and leaving the cell empty if not used. It should be noted that ticking NO_X implies that the station is sited at a location where the limit value for vegetation applies. If the station is in the immediate vicinity of specific sources of lead as referred to in Annex IV to Directive 1999/30/EC, the Member State is requested to tick with ‘SS’ instead of ‘y’. U.K.

(4) The Member State should use the columns headed by ‘PM₁₀’ and ‘PM_2,5’ for indicating whether the measurement is used for assessment under Directive 1999/30/EC and indicate at the same time which measurement method is used. If the measurement is used for assessment under the Directive, the Member State should fill in the measuring method code (see Note 5); if the measurement is not used for assessment under the Directive, the cell should be left empty. For PM_2,5 levels formal assessment under Article 6 of Directive 96/62/EC is not required. U.K.

(5) The measurement method code for PM₁₀ and PM_2,5 can be indicated by one of the standard codes provided by this questionnaire (see Table 1) or a code defined by the Member State that refers to a separate list of methods described by the Member State (see Form 7). The description defined by the Member State may also be a reference to a separate document added to the questionnaire. If the measurement method has been changed during the year, the Member State is requested to fill in both method codes: first the method that was used for the longest time in the year, followed by the other one, separated by a semicolon. U.K.

(6) When the measurement method for PM₁₀ or PM_2,5 is not the reference method, respectively the provisional reference method, set out in Directive 1999/30/EC, Annex IX, the Member State is requested to fill in the correction factor by which the measured concentrations have been multiplied to obtain the concentrations reported in this questionnaire or to fill in the corresponding correction equation. If a correction equation has been applied, a free format can be used in which the measured concentration should be denoted by ‘CM’ and the reported concentration by ‘CR’, preferably using the format CR = f(CM). If the results of the method have been demonstrated to be equivalent without the application of a correction, the Member State is requested to indicate this by entering the value ‘1’ for the correction factor or equation. U.K.

(7) ‘Function of station’ indicates whether the station is sited at a location where (a) the limit values for health, the SO₂ limit value for ecosystems and the NO_X limit value for vegetation apply (code ‘HEV’), (b) only the limit values for health and the SO₂ limit value for ecosystems apply (code ‘HE’), (c) only the limit value for health and the NO_X limit value for vegetation apply (code ‘HV’) or (d) only the limit values for health apply (code ‘H’). U.K.