http://www.legislation.gov.uk/id/uksi/2007/64

F1SCHEDULE 4Assessment thresholds

F1PART 3Determination of representative concentrations

F12.

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Annotations:

Amendments (Textual)

F1Regulations revoked (11.6.2010) by The Air Quality Standards Regulations 2010 (S.I. 2010/1001), regs. 1(1), 33