+Člen 4 Ocenjevanje koncentracij in stopenj usedanja v zunanjem zraku
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Člen 4 Ocenjevanje koncentracij in stopenj usedanja v zunanjem zraku

Člen 4

Ocenjevanje koncentracij in stopenj usedanja v zunanjem zraku

1.  Kakovost zunanjega zraka se glede na arzen, kadmij, nikelj in benzo(a)piren ocenjuje na celotnem ozemlju držav članic.

2.  V skladu z merili iz odstavka 7 so meritve obvezne na naslednjih območjih:

(a) območja in strnjena naselja, v katerih so ravni med zgornjim in spodnjim ocenjevalnim pragom; in

(b) druga območja in strnjena naselja, kjer ravni presegajo zgornji ocenjevalni prag.

Za pridobitev ustreznih informacij o kakovosti zunanjega zraka se lahko predvidene meritve dopolnijo z modeliranjem.

3.  Kombinacija meritev, vključno z indikativnimi meritvami, kakor je določeno v oddelku I Priloge IV, in modeliranjem, se lahko uporabi za oceno kakovosti zunanjega zraka, če so ravni v območjih in strnjenih naseljih v reprezentativnem obdobju med zgornjim in spodnjim ocenjevalnim pragom, v skladu z oddelkom II Priloge II.

4.  V območjih in strnjenih naseljih, kjer so ravni pod spodnjim ocenjevalnim pragom, določenim v skladu z oddelkom II Priloge II, je za ocenjevalne ravni mogoča zgolj uporaba modeliranja ali objektivnih ocenjevalnih metod.

5.  Kjer je potrebno onesnaževala meriti, se meritve opravijo na stalnih lokacijah, bodisi neprekinjeno bodisi z naključnim vzorčenjem. Število meritev mora biti dovolj veliko, da omogoča določitev ravni.

6.  Zgornji in spodnji ocenjevalni prag za arzen, kadmij, nikelj in benz(o)piren v zunanjem zraku sta določena v oddelku I Priloge II. Razvrstitev vsakega območja ali strnjenega naselja za namen tega člena se preveri vsakih pet let v skladu s postopkom iz oddelka II Priloge II. V primeru znatnih sprememb dejavnosti, pomembnih za koncentracije arzena, kadmija, niklja in benzo(a)pirena v zunanjem zraku, se razvrstitev preveri prej.

7.  Merila za določitev vzorčevalnih mest za meritve arzena, kadmija, niklja in benzo(a)pirena v zunanjem zraku z namenom oceniti skladnost s ciljnimi vrednostmi so navedena v oddelkih I in II Priloge III. Najmanjše število vzorčevalnih mest za meritve koncentracij vsakega onesnaževala na stalnem merilnem mestu je določeno v oddelku IV Priloge III in te so postavljene v vsakem območju ali strnjenem naselju, kjer se zahtevajo meritve, če so meritve na stalnem merilnem mestu edini vir podatkov o koncentraciji v njih.

8.  Za oceno vsebnosti benzo(a)pirena v zunanjem zraku vsaka država članica spremlja druge pomembne policiklične aromatske ogljikovodike na omejenem številu merilnih mest. Mednje so vključeni vsaj: benzo(a)antracen, benzo(b)fluoranten, benzo(j)fluoranten, benzo(k)fluoranten, indeno(1,2,3-cd)piren in dibenzo(a,h)antracen. Merilna mesta za te policiklične aromatske ogljikovodike so enaka kot vzorčevalna mesta za benzo(a)piren, izberejo pa se na način, da je mogoče prepoznati geografske spremembe in dolgoročne trende. Uporabljajo se oddelki I, II in III Priloge III.

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9.  Ne glede na raven koncentracij je za indikativno merjenje arzena, kadmija, niklja, skupnega plinastega živega srebra, benzo(a)pirena in drugih policikličnih aromatskih ogljikovodikov iz odstavka 8 v zunanjem zraku in skupnega usedanja arzena, kadmija, živega srebra, niklja, benzo(a)pirena in drugih policikličnih aromatskih ogljikovodikov iz odstavka 8 postavljeno eno vzorčevalno mesto za meritve ozadja na vsakih 100 000 km2. Vsaka država članica postavi vsaj eno merilno postajo. Vendar lahko države članice sporazumno in v skladu s smernicami, določenimi skladno z regulativnim postopkom iz člena 6(2), postavijo eno ali več skupnih merilnih postaj, ki pokrivajo sosednja območja in sosednje države članice, da dosežejo potrebno prostorsko pokritost. Prav tako je priporočljivo merjenje trdnega in plinastega dvovalentnega živega srebra. Kjer je to primerno, je treba spremljanje uskladiti s strategijo spremljanja in meritvenim programom EMEP (Program sodelovanja za spremljanje in oceno onesnaževanja zraka na velike razdalje v Evropi). Vzorčevalna mesta za ta onesnaževala se izberejo na način, da je mogoče prepoznati geografsko spreminjanje in dolgoročne trende. Uporabljajo se oddelki I, II in III Priloge III.

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10.  Pri ocenjevanju regionalnih vzorcev vpliva na ekosistem lahko pride v poštev uporaba bio kazalcev.

11.  Za območja in strnjena naselja, v katerih informacije iz stalnih merilnih postaj dopolnjujejo informacije iz drugih virov, kakršni so popisi emisij, indikativne metode meritev in modeliranje kakovosti zraka, sta število stalnih merilnih postaj, ki se postavijo, in prostorska resolucija drugih metod, zadostni za določitev koncentracij zračnih onesnaževal v skladu z oddelkom I Priloge III in oddelkom I Priloge IV.

12.  Cilji kakovosti podatkov so določeni v oddelku I Priloge IV. Kadar se za ocenjevanje uporabljajo modeli kakovosti zraka, se uporablja oddelek II Priloge IV.

13.  Referenčne metode za vzorčenje in analizo arzena, kadmija, živega srebra, niklja in policikličnih aromatskih ogljikovodikov v zunanjem zraku so določene v oddelkih I, II in III Priloge V. Oddelek IV Priloge V določa referenčne metode za merjenje celotnega usedanja arzena, kadmija, živega srebra, niklja in policikličnih aromatskih ogljikovodikov, oddelek V Priloge V pa se nanaša na referenčno modeliranje kakovosti zraka, če so te metode na razpolago.

14.  Datum, do katerega države članice obvestijo Komisijo o metodah, ki so jih uporabile za preliminarno ocenjevanje kakovosti zraka v skladu s členom 11(1)(d) Direktive 96/62/ES, je datum iz člena 10 te direktive.

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15.  Spremembe, potrebne za prilagoditev določb tega člena in oddelka II Priloge II ter prilog III, IV in V znanstvenemu in tehničnemu napredku, sprejme Komisija. Ti ukrepi, namenjeni spreminjanju nebistvenih določb te direktive, se sprejmejo v skladu z regulativnim postopkom s pregledom iz člena 6(3). Vendar se s tem ne smejo niti neposredno niti posredno spremeniti ciljne vrednosti.

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1. Pregled

,
Naslov Regulativa
Article 4 1.
Ambient air quality with respect to arsenic, cadmium, nickel and benzo(a)pyrene shall be assessed throughout the territory of the Member States.
Article 4 2.

In accordance with the criteria referred to in paragraph 7, measurement is mandatory in the following zones:

(a) 

zones and agglomerations in which levels are between the upper and the lower assessment threshold, and

(b) 

other zones and agglomerations where levels exceed the upper assessment threshold.

The measurements provided for may be supplemented by modelling techniques to provide an adequate level of information on ambient air quality.

Article 4 3.
A combination of measurements, including indicative measurements as referred to in Annex IV, Section I, and modelling techniques may be used to assess ambient air quality in zones and agglomerations where the levels over a representative period are between the upper and lower assessment thresholds, to be determined pursuant to Annex II, Section II.
Article 4 4.
In zones and agglomerations where the levels are below the lower assessment threshold, to be determined pursuant to Annex II, Section II, the sole use of modelling or objective estimation techniques for assessing levels shall be possible.
Article 4 5.
Where pollutants have to be measured, the measurements shall be taken at fixed sites either continuously or by random sampling. The number of measurements shall be sufficient to enable the levels to be determined.
Article 4 6.
The upper and lower assessment thresholds for arsenic, cadmium, nickel and benzo(a)pyrene in ambient air shall be those laid down in Section I of Annex II. The classification of each zone or agglomeration for the purposes of this Article shall be reviewed at least every five years in accordance with the procedure laid down in Section II of Annex II. Classification shall be reviewed earlier in the event of significant change in activities relevant to concentrations of arsenic, cadmium, nickel and benzo(a)pyrene, in ambient air.
Article 4 7.
The criteria for determining the location of sampling points for the measurement of arsenic, cadmium, nickel and benzo(a)pyrene in ambient air in order to assess compliance with the target values shall be those listed in Sections I and II of Annex III. The minimum number of sampling points for fixed measurements of concentrations of each pollutant shall be as laid down in Section IV of Annex III, and they shall be installed in each zone or agglomeration within which measurement is required if fixed measurement is the sole source of data on concentrations within it.
Article 4 8.
To assess the contribution of benzo(a)pyrene in ambient air, each Member State shall monitor other relevant polycyclic aromatic hydrocarbons at a limited number of measurement sites. These compounds shall include at least: benzo(a)anthracene, benzo(b)fluoranthene, benzo(j)fluoranthene, benzo(k)fluoranthene, indeno(1,2,3-cd)pyrene, and dibenz(a,h)anthracene. Monitoring sites for these polycyclic aromatic hydrocarbons shall be co-located with sampling sites for benzo(a)pyrene and shall be selected in such a way that geographical variation and long-term trends can be identified. Sections I, II and III of Annex III shall apply.
Article 4 9.
Irrespective of concentration levels, one background sampling point shall be installed every 100 000 km2 for the indicative measurement, in ambient air, of arsenic, cadmium, nickel, total gaseous mercury, benzo(a)pyrene and the other polycyclic aromatic hydrocarbons referred to in paragraph 8, and of the total deposition of arsenic, cadmium, mercury, nickel, benzo(a)pyrene and the other polycyclic aromatic hydrocarbons referred to in paragraph 8. Each Member State shall set up at least one measuring station. However, Member States may, by agreement, and in accordance with guidelines to be drawn up under the regulatory procedure referred to in Article 6(2), set up one or several common measuring stations, covering neighbouring zones in adjoining Member States, to achieve the necessary spatial resolution. Measurement of particulate and gaseous divalent mercury is also recommended. Where appropriate, monitoring shall be coordinated with the European Monitoring and Evaluation of Pollutants (EMEP) monitoring strategy and measurement programme. The sampling sites for these pollutants shall be selected in such a way that geographical variation and long-term trends can be identified. Sections I, II and III of Annex III shall apply.
Article 4 10.
The use of bio indicators may be considered where regional patterns of the impact on ecosystems are to be assessed.
Article 4 11.
For zones and agglomerations within which information from fixed measurement stations is supplemented by information from other sources, such as emission inventories, indicative measurement methods and air quality modelling, the number of fixed measuring stations to be installed and the spatial resolution of other techniques shall be sufficient for the concentrations of air pollutants to be established in accordance with Section I of Annex III and Section I of Annex IV.
Article 4 12.
Data quality objectives are laid down in Section I of Annex IV. Where air quality models are used for assessment, Section II of Annex IV shall apply.
Article 4 13.
The reference methods for the sampling and analysis of arsenic, cadmium, mercury, nickel and polycyclic aromatic hydrocarbons in ambient air shall be as laid down in Sections I, II and III of Annex V. Section IV of Annex V sets out reference techniques for measuring the total deposition of arsenic, cadmium, mercury, nickel and the polycyclic aromatic hydrocarbons and Section V of Annex V refers to reference air quality modelling techniques when such techniques are available.
Article 4 14.
The date by which Member States shall inform the Commission of the methods used for the preliminary assessment of air quality under Article 11(1)(d) of Directive 96/62/EC shall be the date referred to in Article 10 of this Directive.
Article 4 15.
Any amendments necessary to adapt the provisions of this Article and of Section II of Annex II and of Annexes III, IV and V to scientific and technical progress shall be adopted by the Commission. Those measures, designed to amend non-essential elements of this Directive, shall be adopted in accordance with the regulatory procedure with scrutiny referred to in Article 6(3). They may not result in any direct or indirect changes to target values.

1.1 Sklici

1.2 Ugotovljene zahteve

1.3 Povezani standardi

2. Ugotovljene zahteve

Zahteve
Vir Zahteva

3. Povezani standardi

Standardi
Vir Zahteva
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