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. Author manuscript; available in PMC: 2006 Jan 25.
Published in final edited form as: Environ Sci Technol. 2004 May 1;38(9):2584–2592. doi: 10.1021/es034962s

TABLE 3.

Arithmetic Means of TPAH Concentrations in This and Other Studies Using Photoemission Aerosol Sensorsa

date city site [TPAH] (ng m−3)
Roadways (Inside Vehicles)
Oct 22, 2002 Mexico City: Cuautitlán Izcalli–Jardinesb diesel truck 950
Oct 24, 2002 Mexico City: Cuautitlán Izcalli–Huauchinangob diesel truck 370
Oct 25, 2002 Mexico City: Cuautitlán Izcalli–Tacubab diesel truck 880
Feb 12, 2002 Mexico City: Merced–Xalostocb mobile laboratory 550
Feb 14, 2002 Mexico City: Xalostoc–Constituyentesb mobile laboratory 330
Feb 18, 2002 Mexico City: Pedregal–Constituyentesb mobile laboratory 270
Feb 19, 2002 Mexico City: Chalco–Teotihuacanb (50 km northeast of Mexico City) mobile laboratory 320
Feb 19, 2002 Mexico City: Teotihuacan–Constituyentesb mobile laboratory 480
Feb 20, 2002 Mexico City: Constituyentes–Iztapalapab mobile laboratory 790
Feb 21, 2002 Mexico City: around Iztapalapab mobile laboratory 570
Feb 22, 2002 Mexico City: around Iztapalapab mobile laboratory 390
Feb 23, 2002 Mexico City: around Izatpalapab mobile laboratory 210
New York City (23) car 17
Mexico City (23) car 492
Beijing (23) car 208
Tokyo (16) car 926
Nov 18, 1997 Zurich (16) car 255c
Sept 8, 1997 Paris (23) car 659c
August to October 2002 North Carolina (22) car 22
North Carolina (24) car 128
California (24) car 150
Indoors
October 2002 Mexico Cityb bus station exit booth 834
October 2002 Mexico Cityb distribution center dock 189
October 2002 Mexico Cityb cargo terminal dock 45
June to August 2000 Boston, MA (41) shopping mall, library, etc. 8
Outdoors
October 2002 Mexico Cityb bus station upwind 22
October 2002 Mexico Cityb distribution center upwind 330
October 2002 Mexico Cityb cargo terminal upwind 29
July to August 2000 Boston, MA (42) second floor of building 9
July to August 2000 Boston, MA (42) sidewalk 29
June to August 2000 Boston, MA (42) near bus stop 19
a

Concentrations from the commuter study are shown in Figure 4.

b

This study.

c

These routes passed through tunnels, where pollutant concentrations are expected to be higher.