The Environmental Targets (Fine Particulate Matter) (England) Regulations 2023

Interpretation of Schedule 1

5.—(1) In this Schedule—

“background monitoring station” means a monitoring station which is at an urban background site or a suburban background site, within the meanings given in paragraph 1 of Schedule 2, and for this purpose “monitoring station” in relation to any time before these Regulations came into force includes any AQSR monitoring station which was in operation at that time;

“baseline monitoring station” means a background monitoring station which in one or more of the years 2016, 2017 and 2018—

(a)

was in operation throughout that year; and

(b)

met the minimum annual data capture requirement in that year;

“Δ” has the meaning given in paragraph 1(d);

“PEIbase” has the meaning given in paragraph 1(a);

“PEI monitoring station”, in relation to the measurement of the Population Exposure Indicator or the Reference Indicator for a year, means a background monitoring station which—

(a)

is or was in operation throughout that year and the three preceding years; and

(b)

met the minimum annual data capture requirement in at least three of those four years.

(2) In determining whether a background monitoring station was in operation throughout a year any periods in which the station was temporarily out of operation, for example for maintenance or repair, are to be disregarded.