# The Clean Air (Arrestment Plant) (Exemption) Regulations 1969, Paragraph 3

Extent: E+W+S

Does the material being heated or processed itself contribute to the emission of grit and dust? YES/NO
If Yes, state:
(a) nature of material
(b) processing rate (per hour)

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Source: https://www.legislation.gov.uk/uksi/1969/1262/schedule/3/paragraph/3 (the official version)
Page: https://openlegislation.uk/clean-air-arrestment-plant-exemption-regulations-1969/schedule-3/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.