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Rheoliadau Ansawdd Aer (Osôn) (Cymru) 2003
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- 2003 No. 1848 (Cy. 198)
- ATODLEN 7
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Rheoliadau 6, 7(8) a (9)
ATODLEN 7TROTHWYON GWYBODAETH A THROTHWYON RHYBUDDIO
RHAN IY trothwy gwybodaeth a'r trothwy rhybuddio ar gyfer osôn
| Paramedr | Trothwy | |
|---|---|---|
(a) Mae'r gormodiant uwchlaw'r trothwy i'w fesur neu ei ddarogan am dair awr yn olynol. | ||
| Trothwy Gwybodaeth | Cyfartaledd o 1 awr | 180μg/m3 |
| Trothwy Rhybuddio | Cyfartaledd o 1 awr (a) | 240μg/m3 |
RHAN IIIsafswm y manylion sydd i'w darparu i'r cyhoedd pan eir yn uwch na'r trothwy gwybodaeth neu'r trothwy rhybuddio neu pan ddaroganir y bydd gormodiant.
Dylai'r manylion sydd i'w darparu cyn gynted â phosibl i'r cyhoedd ar raddfa ddigon mawr gynnwys:
1. Gwybodaeth am unrhyw ormodiant y sylwyd arno:
(a)lleoliad neu ardal y gormodiant;
(b)y math o drothwy yr aed yn uwch nag ef (y trothwy gwybodaeth neu'r trothwy rhybuddio);
(c)yr amser y dechreuodd y gormodiant a'i hyd; ac
(ch)y crynodiad cymedrig 1 awr ac 8 awr uchaf.
2. Y darogan ar gyfer y prynhawn, y diwrnod neu'r diwrnodau canlynol:
(a)ardal ddaearyddol y gormodiannau disgwyliedig uwchlaw trothwy gwybodaeth neu drothwy rhybuddio; a
(b)y newid disgwyliedig mewn llygredd (h.y. gwella, sefydlogi neu waethygu)
3. Gwybodaeth am y math o boblogaeth o dan sylw, yr effeithiau posibl ar iechyd a'r ymddygiad a argymhellir:
(a)gwybodaeth am y grwpiau poblogaeth sydd mewn perygl;
(b)disgrifiad o'r symptomau tebygol;
(c)y rhagofalon yr argymhellir bod y boblogaeth o dan sylw yn eu cymryd; ac
(ch)lle i ddod o hyd i wybodaeth bellach.
4. Rhaid i'r wybodaeth a ddarperir o dan yr Atodlen hon gynnwys hefyd:
(a)gwybodaeth am y camau atal i leihau llygredd neu ddatguddiad iddo;
(b)nodyn am y prif sectorau ffynhonnell; ac
(c)argymhellion ar gyfer gweithredu i leihau allyriannau.
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