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- Original (As made) - Welsh
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17.—(1) The National Assembly must, in accordance with paragraph (2), install and operate measuring stations to supply representative data on concentrations of PM2·5.
(2) For the purpose of paragraph (1), the National Assembly must—
(a)choose the number of measuring stations it considers necessary;
(b)insofar as possible, co-locate the measuring stations with any sampling points established for PM10 in accordance with regulation 15(1), or
(ii)in any other case, locate the measuring stations in accordance with the principles set out in Parts 1, 4 and 5 of Schedule 5 as they apply to PM10;
(c)use reference methods for sampling and measurement that it considers suitable; and
(d)have regard to the data quality objectives set out in Part 1 of Schedule 8.
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