Ibrahim, Najib Bin; (1996) Development of the methodology for the measurement of the indoor pollutants in problem-solving research: as applied to the assessment of health hazards in office buildings. Doctoral thesis (Ph.D), UCL (University College London).

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Abstract

This thesis sets out to develop a methodology to monitor indoor pollutants in the assessment of their contribution to building sickness in offices. This methodology was developed in the field during the SERC/LINK Project on Healthy Offices. Within the constraint of allowable intervention time, and allowable number and size of monitoring equipment in the study offices during working hours, there are fifteen controversies and uncertainties which were resolved in this thesis. Some of the most controversial issues which were addressed are whether or not photoacoustic is as good as gas chromatography in assessing the health effect of TVOC, which VOC are most relevant to building sickness, which chemical should be used as the standard for TVOC, and when and where to measure them. In this thesis the monitoring times and locations used by previous researchers were put together in a simplified 'statistical sampling model' to assist in selecting a more representative sample. Particular attention was given to reliability and validity of the methodology and estimated errors were proposed to take into account the uncertainties faced in the monitorings.

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