Table 1 Characteristics of the stations chosen for measurement

From: A citywide spatiotemporal perspective of particulate matter concentration on underground subway platforms

Line #

Station

Platform typea

Service time

Track-platform separation

Transfer station

7

CS

Island

Dec, 2009

Full PSD

No

CP

Side

Dec, 2009

Full PSD

No

2

HQ

Island

Jul, 2010

Full PSD

Yes

ZS

Island

Jun, 2000

Half PSD

Yes

  1. aIsland refers to one platform at the center and the rail tracks on both sides; side platform refers to two platforms at each side with rail tracks in the center.