- Y Diweddaraf sydd Ar Gael (Diwygiedig)
- Gwreiddiol (a wnaed Fel)
Dyma’r fersiwn wreiddiol (fel y’i gwnaed yn wreiddiol). This item of legislation is currently only available in its original format.
The dilution tunnel:
shall be of a sufficient length to cause complete mixing of the exhaust and dilution air under turbulent flow conditions,
shall be constructed of stainless steel with:
a thickness to diameter ratio of 0.025 or less for dilution tunnels of greater than 75 mm inside diameter,
a nominal wall thickness of not less than 1.5 mm for dilution tunnels of equal to or less than 75 mm inside diameter,
shall be at least 75 mm in diameter for the fractional sampling type,
is recommended to be at least 25mm in diameter for the total sampling type.
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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’.
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