# The Boiler Upgrade Scheme (England and Wales) Regulations 2022, Paragraph 3


For the purposes of paragraph 1(g)(ii) the requirements in this paragraph are that—
(a) testing is carried out in accordance with the standards approved by the Secretary of State under regulation 4(1)(g) in relation to—
(i) NOx emissions, and
(ii) PM emissions,
(b) the emissions of PM represent the average of at least three measurements of emissions of PM, each of at least 30 minutes duration, and
(c) the value for NOx emissions is derived from the average of measurements made throughout the PM emission tests.

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Source: https://www.legislation.gov.uk/ukdsi/2022/9780348232349/schedule/1/paragraph/3 (the official version)
Page: https://openlegislation.uk/draft-boiler-upgrade-scheme-england-and-wales-regulations-2022/schedule-1/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.