Clean Air
Subtitle: the Clean Air (Measurement of grit and dust) Regulations 1968
By: [issued by] the Ministry of Housing and Local Government and the Welsh Office.
Contributors: Great Britain. Welsh Office.
Series: Circular -- 14/68.; Circular 11/68
Publisher: H.M.S.O.
Published: 1968
Place of publication: London
Language: eng
Subjects: Great Britain.