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Table 1 Distribution of traffic and building density at NYCCAS network sites and Air Toxics sampling sites

From: Spatial variability in levels of benzene, formaldehyde, and total benzene, toluene, ethylbenzene and xylenes in New York City: a land-use regression study

  

Air Toxics

Full NYCCAS

(n = 70)

(n = 150)

Building Density

Traffic Density

Count

Percent

Count

Percent

High

High

16

23%

34

23%

Norm

High

14

20%

35

23%

High

Norm

20

29%

36

24%

Norm

Norm

20

29%

45

30%

  1. High is defined as highest quartile of citywide 300 m X 300 m lattice values.