Paragraph 2 Location of monitoring stations
(1)
All monitoring stations must be located at a site which—
(a)
is in, or representative of, an area to which members of the public or a section of the public have access and are likely to frequent;
(b)
is not within the boundary of a factory or other industrial premises;
(c)
is not on the carriageway of a road, or on a central reservation of a road to which there is not normally pedestrian access.
(2)
Subject to complying with sub-paragraph (1), and to the requirements in paragraphs 4 and 5, a monitoring station may be located at a site of any description (and not only at a site of a description in paragraph 1).