Agencija Republike Slovenije za okolje

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Presentation transcript:

Agencija Republike Slovenije za okolje Onesnaženosti zraka z delci PM10 in kovinami v Kanalu ob Soči (3.2.2016-2.2.2017) dr. Janja Turšič Urad za stanje okolja Agencija Republike Slovenije za okolje Deskle, 23. maj 2017

Merjeni parametri: SO2, NOx, O3, PM10, CO, meteorološki podatki Predhodne meritve 11. maj – 21. junij 2014, Morsko Merjeni parametri: SO2, NOx, O3, PM10, CO, meteorološki podatki Koncentracije vseh onesnaževal z izjemo ozona so bile precej pod predpisanimi vrednostmi. Šibki lokalni veter ima podnevi prevladujočo smer ob po dolini Soče navzgor, ponoči pa po dolini Soče navzdol. Močnejši vetrovi ob vremenskih procesih imajo ob močnem jugozahodniku smer po dolini Soče navzgor, ob burji pa je značilna smer N do NNE.

Število preseganj dnevne mejne vrednosti

Število prekoračitev opozorilne vrednosti

Število prekoračitev 8-urne ciljne vrednosti

Možni izpusti iz industrije cementa prah dušikovi oksidi SO2 CO in CO2 VOC kisli plini kovine (Hg, Cd, Tl, Sb, As, Pb, Cr, Co, Cu, Mn, Ni, V) dioksini in furani

Meritve v obdobju med 3.2.2016 in 2.2.2017 Meritve so bile izvedene na pobudo občine Kanal ob Soči Namen meritev je bil predvsem ugotoviti vpliv podjetja Salonit d.d. Štiri merilna mesta Kanal ob Soči Morsko Kanalski vrh Deskle Vzorčenje delcev s pomočjo nizkovolumskega vzorčevalnika Kemijska analiza delcev PM10

Lokacije merilnih mest

Kanal ob Soči 3.2.2016 – 11.4.2016

Morsko 13.4.2016 – 18.8.2016

Kanalski vrh 20.8.2016 – 9.11.2016

Deskle 11.11.2016 – 2.2.2017

Vzorčenje in meritve koncentracije PM10 Kondicioniranje in tehtanje filtrov pred in po vzorčenju Vzorčenje z nizkovolumskim vzorčevalnikom

Razklop filtrov z mešanico H2O2 in HNO3 Analiza filtrov z ICP-MS Kemijska analiza Razklop filtrov z mešanico H2O2 in HNO3 Analiza filtrov z ICP-MS Analizirani elementi: Al, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, As, Se, Rb, Sr, Mo, Ag, Cd, Sb, Cs, Ba, Tl, Pb

Mejne/ciljne vrednosti za delce PM10 in kovine Določene so v Uredbi o kakovosti zunanjega zraka in Uredbi o arzenu, kadmiju, živem srebru in policikličnih aromatskih ogljikovodikih v zunanjem zraku Delci PM10 dnevna mejna vrednost 50 µg/m3 (ne sme biti presežena več kot 35 krat v koledarskem letu) letna mejna vrednost 40 µg/m3 Kovine letna mejna vrednost za Pb 500 ng/m3 letna mejna vrednost za As 6 ng/m3 letna mejna vrednost za Cd 2 ng/m3 letna mejna vrednost za Ni 20 ng/m3

PM10 – Kanal ob Soči in Nova Gorica

PM10 – Morsko in Nova Gorica

PM10 – Kanalski vrh in Nova Gorica

PM10 – Deskle in Nova Gorica

Primerjava med posameznimi merilnimi mesti Kanal ob Soči Morsko Kanalski vrh Deskle   povprečna konc. PM10 (µg/m3) št. preseganj dnevne mejne vrednosti Kanal ob Soči 19 Nova Gorica 21

Onesnaženost s kovinami (1)

Onesnaženost s kovinami (2)