Paragraph 8 InterpretationI1
Northern Ireland Not yet in force
The reference to a number of micrograms or milligrams per cubic metre of a substance is a reference to the number of micrograms or milligrams per cubic metre of that substance when measured with the volume standardised at a temperature of 293K and at a pressure of 101.3 kPa.
Annotations
Commencement
- I1
Sch. para. 8 in operation at 1.9.2003, see reg. 1(1)
Notes on Schedule
Textual amendments
- F1
words in Sch. substituted (1.1.2004) by Air Quality (Amendment) Regulations (Northern Ireland) 2003 (S.R. 2003/543), regs. 1, 2
Footnotes
- f1
*
μg/m3: micrograms per cubic metre
ppb/ppm: parts per billion/million
mg/m3: milligrams per cubic metre