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Commission Implementing Decision of 12 December 2011 laying down rules for Directives 2004/107/EC and 2008/50/EC of the European Parliament and of the Council as regards the reciprocal exchange of information and reporting on ambient air quality (notified under document C(2011) 9068) (2011/850/EU)

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Commission Implementing Decision of 12 December 2011 laying down rules for Directives 2004/107/EC and 2008/50/EC of the European Parliament and of the Council as regards the reciprocal exchange of information and reporting on ambient air quality (notified under document C(2011) 9068) (2011/850/EU), Division (B) is up to date with all changes known to be in force on or before 29 March 2020. There are changes that may be brought into force at a future date. Changes that have been made appear in the content and are referenced with annotations. Help about Changes to Legislation

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(B) Environmental objectives and reporting metrics U.K.

a

LV: limit value, LVMT: Limit value plus margin of tolerance, TV: target value, LTO: long-term objective, INT: Information threshold, ALT: Alert threshold, CL: Critical level, NAT: Assessment of natural contribution, WSS: Assessment of winter-sanding and -salting, ERT: Exposure reduction target, ECO: Exposure concentration obligation.

b

No up-to-date data is to be made available.

FormulaProtection targetEnvironmental Objective type (Codea)Averaging period of assessmentsReporting metric of environmental objectiveNumerical values of the environmental objective(allowed number of exceedances)
Pollutants for which up-to-date and validated data have to be reported
NO2HealthLV1 hourHours in exceedance in a calendar year200 μg/m3 (18)
LVMT
LV1 calendar yearAnnual average40 μg/m3
LVMT
ALT1 hourThree consecutive hours in exceedance (at locations representative of air quality over at least 100 km2 or an entire zone or agglomeration, which ever is smaller)400 μg/m3
NOxVegetationCL1 calendar yearAnnual average30 μg/m3
PM10HealthLV1 dayDays in exceedance in a calendar year

50 μg/m3 (35)

Percentile of 90,4

LV1 calendar yearAnnual average40 μg/m3
WSSb1 dayDeducted days in exceedance in a calendar yearn.a.
1 calendar yearDeduction of annual averagen.a.
NATb1 dayDeducted days in exceedance in a calendar yearn.a.
1 calendar yearDeduction of the annual averagen.a.
PM2,5HealthECO3 subsequent calendar yearsAverage Exposure Indicator (calculation see Directive 2008/50/EC)20 μg/m3
ERTin accordance with Annex XIV, Part B to Directive 2008/50/EC
TV1 calendar yearAnnual average25 μg/m3
LV
LVMT
SO2HealthLV1 hourHours in exceedance in a calendar year350 μg/m3 (24)
1 dayDays in exceedance in a calendar year125 μg/m3 (3)
ALT1 hourThree consecutive hours in exceedance (at locations representative of air quality over at least 100 km2 or an entire zone or agglomeration, which ever is smaller)500 μg/m3
NATb1 hourDeducted hours in exceedance in a calendar yearn.a.
1 dayDeducted days in exceedance in a calendar yearn.a.
VegetationCL1 calendar yearAnnual average20 μg/m3
WinterAverage value over the winter months, i.e. 1 October year x-1 to 31 March year x20 μg/m3
O3HealthTVMaximum daily eight-hour meanDays when maximum daily eight-hour mean exceeded the target value averaged over 3 years120 μg/m3 (25)
LTOMaximum daily eight-hour meanDays when maximum daily eight-hour mean exceeded the long term objective in 1 calendar year120 μg/m3
INT1 hourHours in exceedance in a calendar year180 μg/m3
ALT1 hourHours in exceedance in a calendar year240 μg/m3
VegetationTV1 May to 31 JulyAOT40 (calculation see Dir. 2008/50/EC Annex VII)18 000 μg/m3·h
LTO1 May to 31 JulyAOT40 (calculation see Dir. 2008/50/EC Annex VII)6 000 μg/m3 ·h
COHealthLVMaximum daily eight-hour meanDays when maximum daily eight-hour mean exceeded the limit value10 mg/m3
Pollutants for which only validated data have to be reported
BenzeneHealthLV1 calendar yearAnnual average5 μg/m3
LeadHealthLV1 calendar yearAnnual average0,5 μg/m3
CadmiumHealthTV1 calendar yearAnnual average5 ng/m3
ArsenicHealthTV1 calendar yearAnnual average6 ng/m3
[X1Nickel Health TV 1 calendar year Annual average 20 ng/m 3]
B(a)PHealthTV1 calendar yearAnnual average1 ng/m3

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