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Rheoliadau Ansawdd Aer (Osôn) (Cymru) 2003

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This is the original version (as it was originally made). Wales Statutory Instruments are not carried in their revised form on this site.

Rheoliad 4(12)

ATODLEN 4MESURIADAU RHAGSYLWEDDION OSÔN

Amcanion

Prif amcanion mesuriadau rhagsylweddion osôn yw dadansoddi unrhyw duedd mewn rhagsylweddion osôn, gwirio effeithlonrwydd strategaethau lleihau allyriannau, gwirio cysondeb rhestrau allyriannau a helpu i briodoli ffynonellau allyrru i grynodiadau llygredd.

Nod ychwanegol yw cynnal dealltwriaeth o brosesau ffufio osôn a gwasgaru rhagsylweddion, yn ogystal â chymhwyso modelau ffotocemegol.

Sylweddau

Rhaid i fesuriadau rhagsylweddion osôn gynnwys o leiaf ocsidau nitrogen a chyfansoddion organig anweddol priodol (VOCs). Rhoddir rhestr o'r VOCs yr argymhellir eu mesur isod.

Ethan1-bwtenIsoprenethyl bensen
Ethylentrans-2-bwtenn-hecsanm+p-sylen
Acetylencis-2-bwteni-hecsano-sylen
Propan1.3-bwtadïenn-heptan1,2,4-trimeth.bensen
Propenn-pentann-octan1,2,3-trimeth.bensen
n-bwtani-pentani-octan1,3,5-trimeth.bensen
i-bwtan1-pentenbensenfformaldehyd
2-pententolwencyfanswm hydrocarbonau anfethan

Dulliau cyfeirio

Y dull cyfeirio ar gyfer dadansoddi ocsidau nitrogen fydd y dull sydd wedi'i bennu yn Rhan II o Atodlen 6 i Reoliadau Gwerthoedd Terfyn Ansawdd Aer (Cymru) 2002, O. S. 2002/3183 (Cy.299).

Lleoli

Dylid cymryd mesuriadau mewn ardaloedd trefol a maestrefol yn benodol mewn unrhyw safle monitro sydd wedi'i sefydlu yn unol â gofynion Rheoliadau Gwerthoedd Terfyn Ansawdd Aer (Cymru) 2002 ac y bernir eu bod yn briodol mewn perthynas â'r amcanion monitro yn yr Atodlen hon.

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