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KMID : 0895420130230040323
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Journal of Korean Society of Occupational and Enviromental Hygiene
2013 Volume.23 No. 4 p.323 ~ p.332
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Comparison of Diesel Exhaust Particle Concentration between Large Above-Underground Parking Lots
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Kim Boo-Wook
Song Dong-Woo
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Abstract
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Objectives: This study was conducted in order to investigate the diesel exhaust particle(DEP) concentrations in the thirteen parking lots of large shopping complex.
Methods: The real-time black carbon(BC) concentration was determined using an Aethalometer, and elemental/organic carbon concentration was determined according to the method of the National Institute for Occupational Safety and Health(NIOSH) 5040. The particle number concentration(NC), lung deposited surface area concentration(LDSA) and geometric mean diameter(GMD) were determined using a DiSCmini aerosol monitor.
Results: The average concentration of BC, EC, OC, NC, LDSA and GMD were 19.1 ㎍/㎥, 12.6 ㎍/㎥, 51.5 ㎍/㎥, 94,000particles/cm?3, 298 ㎛2/cm?m3 and 57 ㎚ in all parking lots, respectively, approximately 3-fold higher than those found in the urban outdoor. The average concentration of BC were 21.3 ㎍/㎥ in underground parking lots, 3-fold higher than above parking lots.
Conclusions: Therefore, the parking lots at the large shopping complex can be considered a potentially dangerous environment with a high concentration of DEP nanoparticles.
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KEYWORD
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black carbon, diesel exhaust particle, element carbon, nanoparticle, parking lot
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