Paragraph 4 I1

Northern Ireland

the sampler’s exhaust outlet should be positioned so as to avoid recirculation of exhaust to the sampler inlet.

The following factors may also be taken into account:

(a)

interfering sources;

(b)

security;

(c)

access;

(d)

availability of electrical power and telephone communications;

(e)

visibility of the site in relation to its surroundings

(f)

safety of public and operators;

(g)

the desirability of co-locating sampling points for different pollutants; and

(h)

planning requirements.

Annotations