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Indoor Air Quality

Code of Practice on Indoor Air Quality was introduced by the Department of Occupational Safety and Health (DOSH) in 2005 to provide the guidelines and standards to protect the health of workers and other occupants of an indoor or enclosed environment served by mechanical ventilation and/or air conditioning. This practice is applicable in all non-industrial workplaces that are listed in First Schedule Occupational Safety and Health Act 1994 (Act 514). In 2010, the Department has introduced the Industry Code of Practice on Indoor Air Quality 2010 to increase the compliance of designated workplaces.

Activities regarding the issues of indoor air quality involve the investigation of complaints from workers. The procedure of handling any complaints can be found in the Industry Code of Practice on Indoor Air Quality 2010. Investigation usually involves five main activities, which are the preliminary site visit, measuring the level of contaminant in the area, data analysis, discussions with employers and the report writing.

Plus, the Department also conduct studies and research with other government agencies or non-governmental organisations. The involvements of DOSH are more on expertise sharing in the handling of measuring instrument and data analysis of the results.

Training of handling the measuring instrument for indoor air quality is provided to increase the number of experts among DOSH officers, especially from the Industrial Hygiene Division. The training includes both theoretical and practical modules to the officers.

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