- Y Diweddaraf sydd Ar Gael (Diwygiedig) - Saesneg
- Y Diweddaraf sydd Ar Gael (Diwygiedig) - Cymraeg
- Gwreiddiol (Fel y'i Gwnaed) - Saesneg
- Gwreiddiol (Fel y'i Gwnaed) - Cymraeg
Dyma’r fersiwn wreiddiol (fel y’i gwnaed yn wreiddiol).
The following upper and lower assessment thresholds will apply:
Health protection | Ecosystem protection | |
---|---|---|
Upper assessment threshold | 60% of 24-hour limit value (75 μg/m3, not to be exceeded more than 3 times in any calendar year) | 60% of winter limit value (12 μg/m3) |
Lower assessment threshold | 40% of 24-hour limit value (50 μg/m3), not to be exceeded more than 3 times in any calendar year) | 40% of winter limit value (8 μg/m3) |
Hourly limit value for the protection of human health (NO2) | Annual limit value for the protection of human health (NO2) | Annual limit value for the protection of vegetation (NOx) | |
---|---|---|---|
Upper assessment value | 70% of limit value (140 μg/m3, not to be exceeded more than 18 times in any calendar year) | 80% of limit value (32 μg/m3) | 80% of limit value (24 μg/m3) |
Lower assessment value | 50% of limit value (100 μg/m3, not to be exceeded more than 18 times in any calendar year). | 65% of limit value (26 μg/m3) | 65% of limit value (19.5 μg/m3) |
24-hour average | Annual average | |
---|---|---|
Upper assessment threshold | 60% of limit value (30 μg/m3, not to be exceeded more than seven times in any calendar year). | 70% of limit value (14 μg/m3) |
Lower assessment threshold | 40% of limit value (20 μg/m3, not to be exceeded more than seven times in any calendar year). | 50% of limit value (10 μg/m3) |
Annual average | |
---|---|
Upper assessment threshold | 70% of limit value (0.35 μg/m3) |
Lower assessment threshold | 50% of limit value (0.25 μg/m3) |
Annual average | |
---|---|
Upper assessment threshold | 70% of limit value (3.5 μg/m3) |
Lower assessment threshold | 40% of limit value (2 μg/m3) |
Eight-hour average | |
---|---|
Upper assessment threshold | 70% of limit value (7 mg/m3) |
Lower assessment threshold | 50% of limit value (5 mg/m3) |
The upper and lower assessment thresholds for PM10 are based on the indicative limit values for 1 January 2010, which will be reviewed in the light of further information on health and environmental effects, technical feasibility and experience in the application of the existing “Stage 1” limit values. See Article 10 of Directive 99/30/EC.
Y Diweddaraf sydd Ar Gael (diwygiedig):Y fersiwn ddiweddaraf sydd ar gael o’r ddeddfwriaeth yn cynnwys newidiadau a wnaed gan ddeddfwriaeth ddilynol ac wedi eu gweithredu gan ein tîm golygyddol. Gellir gweld y newidiadau nad ydym wedi eu gweithredu i’r testun eto yn yr ardal ‘Newidiadau i Ddeddfwriaeth’. Dim ond yn Saesneg y mae’r fersiwn ddiwygiedig ar gael ar hyn o bryd.
Gwreiddiol (Fel y’i Deddfwyd neu y’i Gwnaed) - Saesneg: Mae'r wreiddiol Saesneg fersiwn y ddeddfwriaeth fel ag yr oedd pan gafodd ei deddfu neu eu gwneud. Ni wnaed unrhyw newidiadau i’r testun.
Gwreiddiol (Fel y’i Deddfwyd neu y’i Gwnaed)-Cymraeg:Y fersiwn Gymraeg wreiddiol o’r ddeddfwriaeth fel yr oedd yn sefyll pan gafodd ei deddfu neu ei gwneud. Ni wnaed unrhyw newidiadau i’r testun.
Gallwch wneud defnydd o ddogfennau atodol hanfodol a gwybodaeth ar gyfer yr eitem ddeddfwriaeth o’r tab hwn. Yn ddibynnol ar yr eitem ddeddfwriaeth sydd i’w gweld, gallai hyn gynnwys:
Defnyddiwch y ddewislen hon i agor dogfennau hanfodol sy’n cyd-fynd â’r ddeddfwriaeth a gwybodaeth am yr eitem hon o ddeddfwriaeth. Gan ddibynnu ar yr eitem o ddeddfwriaeth sy’n cael ei gweld gall hyn gynnwys:
liciwch ‘Gweld Mwy’ neu ddewis ‘Rhagor o Adnoddau’ am wybodaeth ychwanegol gan gynnwys