- Latest available (Revised) - English
- Latest available (Revised) - Welsh
- Original (As made) - English
- Original (As made) - Welsh
This is the original version (as it was originally made). Dim ond ar ei ffurf wreiddiol y mae’r eitem hon o ddeddfwriaeth ar gael ar hyn o bryd.
Dylai'r wybodaeth ganlynol gael ei llunio ar gyfer parthau neu grynoadau y defnyddir ffynonellau heblaw mesuriadau ynddynt i gydategu'r wybodaeth o fesuriadau neu fel yr unig ddull o asesu ansawdd yr aer:
disgrifiad o'r gweithgareddau asesu a wnaed;
y dulliau penodol a ddefnyddiwyd, gan gyfeirio at ddisgrifiadau o'r dull;
y ffynonellau data a gwybodaeth;
disgrifiad o'r canlyniadau, gan gynnwys y cywirdebau ac, yn benodol, hyd a lled unrhyw ardal neu, os yw'n berthnasol, hyd y ffordd yn y parth neu'r crynhoad lle mae'r crynodiadau'n uwch na'r gwerth(oedd) terfyn neu, yn ôl fel y digwydd, y gwerth(oedd) terfyn plws goddefiant/goddefiannau cymwysadwy a hyd a lled unrhyw ardal lle mae'r crynodiadau'n uwch na'r trothwy asesu uchaf neu'r trothwy asesu isaf);
ar gyfer gwerthoedd terfyn sy'n anelu at ddiogelu iechyd pobl, y boblogaeth a allai gael ei datguddio i grynodiadau sydd yn uwch na'r gwerth terfyn.
Os oes modd rhaid llunio mapiau sy'n dangos dosbarthiadau'r crynodiadau ym mhob parth a chrynhoad.
Latest Available (revised):The latest available updated version of the legislation incorporating changes made by subsequent legislation and applied by our editorial team. Changes we have not yet applied to the text, can be found in the ‘Changes to Legislation’ area. The revised version is currently only available in English.
Original (As Enacted or Made) - English: The original English language version of the legislation as it stood when it was enacted or made. No changes have been applied to the text.
Original (As Enacted or Made) - Welsh:The original Welsh language version of the legislation as it stood when it was enacted or made. No changes have been applied to the text.
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