Currently in testing mode

  • Authors Alves, CA; Vicente, AM; Rocha, S; Vasconcellos, P
  • Author Full Name Alves, Celia A.; Vicente, Ana M.; Rocha, Sonia; Vasconcellos, Perola
  • Title Hopanoid hydrocarbons in PM10 from road tunnels in So Paulo, Brazil
  • Nationality internacional
  • Source AIR QUALITY ATMOSPHERE AND HEALTH
  • Language English
  • Document Type Article
  • Author Keywords PM10; Road tunnels; Flexible fuel vehicles; Brazil; Hopanes
  • Keywords Plus POLYCYCLIC AROMATIC-HYDROCARBONS; MOTOR-VEHICLE EMISSIONS; PARTICULATE MATTER; ORGANIC-COMPOUNDS; CHEMICAL-CHARACTERIZATION; PENINSULAR MALAYSIA; GEOCHEMICAL MARKERS; METROPOLITAN-AREA; DIESEL VEHICLES; AMBIENT PM10
  • Abstract The fleet of flexible fuel vehicles in Brazil is the largest in the world. To diagnose the contribution of vehicle emissions to atmospheric particulate matter, organic molecular markers, such as hopanes, can be used. However, nothing is known about the particulate matter mass fractions of these tracers in environments exclusively impacted by road emissions. In this study, the hopanoid composition of PM10 inside two tunnels in the So Paulo metropolitan area with very distinct circulating fleets (JA cent nio Quadros (JQ) and Rodoanel (RA)) was obtained. Higher mean concentrations (82.4 ng m(-3)) and PM10 mass fractions (239 ng mg(-1)) were obtained in RA, in which the fleet is composed of both light and heavy duty vehicles. The most abundant species were 17 alpha(H),21 beta(H)-30-norhopane (27.9 ng mg(-1) in JQ, 47.9 ng mg(-1) in RA) and 17 alpha(H),21 beta(H)-hopane (32.6 ng mg(-1) in JQ, 44.3 ng mg(-1) in RA). Diverse concentration ratios were calculated and compared with those of other sources. Overlapping values may preclude the use of these parameters as source assignment tools. Some compounds, such as 18 alpha(H)-22,29,30-trisnorneohopane, 17 alpha(H)-22,29,30-trisnorhopane, 17 alpha(H),21 beta(H)-30-norhopane, 18 alpha(H)-30-norneohopane, 17 alpha(H),21 beta(H)-hopane, 17 alpha(H),21 beta(H)-22S-homohopane and 17 alpha(H),21 beta(H)-22R-homohopane, were found to be very good predictors of the total concentrations of hopanoids.
  • Author Address [Alves, Celia A.; Vicente, Ana M.; Rocha, Sonia] Univ Aveiro, Dept Environm, Ctr Environm & Marine Studies, P-3810193 Aveiro, Portugal; [Vasconcellos, Perola] Univ Sao Paulo, Chem Inst, Cidade Univ, BR-05508900 Sao Paulo, SP, Brazil
  • Reprint Address Alves, CA (reprint author), Univ Aveiro, Dept Environm, Ctr Environm & Marine Studies, P-3810193 Aveiro, Portugal.
  • E-mail Address celia.alves@ua.pt
  • ResearcherID Number Alves, Celia/E-7583-2013
  • ORCID Number Alves, Celia/0000-0003-3231-3186; Vicente, Ana/0000-0002-6319-0265
  • Funding Agency and Grant Number Research Foundation of the State of Sao Paulo (FAPESP) [2008/58104-8]; National Council for Scientific and Technological Development (CNPq) [402383/2009-5]; Portuguese Foundation for Science and Technology (FCT) [UID/AMB/50017/2013]; FCT [SFRH/BPD/88988/2012]
  • Funding Text The sampling programme was supported by the Research Foundation of the State of Sao Paulo (FAPESP, project 2008/58104-8) and by the National Council for Scientific and Technological Development (CNPq, project 402383/2009-5). Perola Vasconcellos thanks INCT-Energy and Environment. The analytical work benefited from funds allocated by the Portuguese Foundation for Science and Technology (FCT) to the Centre for Environmental and Marine Studies (CESAM) through the strategic project UID/AMB/50017/2013. Ana Vicente acknowledges the postdoc grant SFRH/BPD/88988/2012 from FCT.
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  • Cited Reference Count 36
  • Publisher SPRINGER INTERNATIONAL PUBLISHING AG
  • Publisher City CHAM
  • Publisher Address GEWERBESTRASSE 11, CHAM, CH-6330, SWITZERLAND
  • ISSN 1873-9318
  • Character Source Abbreviation AIR QUAL ATMOS HLTH
  • ISO Source Abbreviation Air Qual. Atmos. Health
  • Publication Date SEP
  • Year Published 2017
  • Volume 10
  • Issue 7
  • Beginning Page 799
  • Ending Page 807
  • Digital Object Identifier (DOI) 10.1007/s11869-017-0462-3
  • Subject Category 9
  • Document Delivery Number Environmental Sciences
  • Unique Article Identifier Environmental Sciences & Ecology
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