On Site Monitoring Of Smoking Lounges In An
Office Building Based On The PM2.5 Indicator
Author(s)
L. de Santoli, F. Cumo & G. Guidi
Abstract
In this paper are summarized the final results of a two-month continuous
monitoring campaign on seven smoking lounges and some copy areas in a
building housing the offices of a big company. The monitoring is based in
particular on the detection of suspended particulates, in order to confirm some
experimental correlations of the PM10/ PM2.5 ratio in this critical situation.
The experimental measures have been performed in smoking lounges
equipped following the technical requirements of the Italian Regulation (DPCM
23 December 2003) recently approved (10 January 2005).
The final results show how PM10 and PM2.5 concentrations in the proximity of
smoking areas were similar to the conditions of an outdoor high-polluted
environment while inside smoking lounges the mean values detected were
respectively 110 and 60 µg/m3 confirming the PM10/PM2.5 ratio of between 1.5
and 2.5 reported in technical literature.
As a conclusion it is possible to underline how the presence of HVAC plants
with specific requirements (no air recirculation, inlet air flow-rate 105 m3/h per
person, ∆P of 5 Pa between smoking lounge and surrounding areas) is able to
prevent the diffusion of passive smoke in no-smoking areas. Moreover, the extrasmall
particulates (PM2.5 and PM1) are not removed enough inside smoking
lounges due to the great decrease of the filter capitation efficiency for particulate
matter with diameters lower than 3–5 µm.
1 Introduction
The possibility of a continuous monitoring of airborne particulate with portable
equipments allows one to evaluate with high precision the concentration of small
Keywords
Related Book
Other papers in this volume
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