Abstract
Reported emissions data were collated for 35 pharmaceutical-manufacturing installations and 18 power stations holding IPPC licences in Ireland. Consistent and essentially complete sectoral emissions time-series were generated, covering 2002–2006 for the pharmaceutical sector, and 2001–2006 for the electricity-generating sector. Applying the Environmental Emissions Index (EEI) to reported emissions indicated environmental performance improvements of 35 and 30%, respectively, for these two sectors. However, considerable uncertainty was attributed to reporting of heavy metals, NO x and NMVOC emissions at the installation level, and overall NMVOC emissions from the pharmaceutical sector appeared to be considerably under-reported. The fixed average toxicity factor applied to NMVOC emissions in the EEI may deviate from potential temporal changes in the NMVOC compound mix. Overall, reporting uncertainties were found to have a greater impact on EEI outputs than assumptions made in the EEI model, and including an estimate of total sectoral NMVOC emissions reduced the pharmaceutical sector's environmental performance improvement to 24%. The EEI facilitates the comparison and visualisation of reported emissions, integrating them into environmental performance trends. It should optimise interpretation of abundant, detailed, and underutilised ‘bottom-up’ emissions data generated by IPPC installations. For Ireland's pharmaceutical sector, these data are considerably more comprehensive than EPER data.
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