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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This is the original version (as it was originally made).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.

RHAN IILleoli ar y raddfa ficro

Dylid dilyn y canllawiau canlynol, cyn belled ag y bo'n ymarferol:

1.  dylai'r llif o amgylch profiedydd samplu y fewnfa fod y ddigyfyngiad (yn rhydd mewn cylchran o 2700 o leiaf) heb unrhyw rwystrau sy'n effeithio ar lif yr aer yng nghyffiniau'r samplwr, h.y. i ffwrdd o adeiladau, balconïau, coed ac unrhyw rwystrau eraill a hynny â mwy na dwywaith gymaint y gwahaniaeth rhwng uchder y rhwystr ac uchder y samplwr.

2.  yn gyffredinol, dylai pwynt samplu'r fewnfa fod rhwng 1.5m (y parth anadlu) a 4m uwchlaw'r ddaear. Mae safleoedd uwch yn bosibl hefyd ar gyfer gorsafoedd trefol o dan rai amgylchiadau ac mewn mannau coediog.

3.  dylai profiedydd y fewnfa fod y bell i ffwrdd o unrhyw ffynonellau megis ffwrneisi a chyrn simneiau hylosgi a mwy na 10m o'r ffordd agosaf, a'r pellter yn cynyddu fel ffwythiant dwysedd traffig.

4.  dylai allfa wacáu'r samplwr fod wedi'i leoli er mwyn osgoi ailgylchu nwyon llosg i fewnfa'r samplwr.

Gall y ffactorau canlynol gael eu cymryd i ystyriaeth hefyd:

(a)ffynonellau sy'n ymyrryd;

(b)diogelwch;

(c)hygyrchedd;

(ch)a oes pŵer trydan a chysylltiadau ffôn ar gael;

(d)gwelededd y safle mewn perthynas â'i amgylchoedd;

(dd)diogelwch y cyhoedd a'r gweithredwyr;

(e)a yw'n ddymunol cyd-leoli pwyntiau samplu ar gyfer gwahanol lygrynnau; ac

(f)gofynion cynllunio.

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