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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Sci Total Environ. 2011 Mar 22;409(11):2133–2142. doi: 10.1016/j.scitotenv.2011.02.025

Table B.

Correlations between sites for PM2.5 mass, source contributions, and selected PM2.5 chemical components

Average PM2.5 Regional Sulfur Motor Vehicle Road Dust Oil Combustion Sea Salt
Bridgeport Danbury 0.93 0.83 0.68 0.73 0.63 0.59
Hartford 0.89 0.77 0.68 0.68 0.76 0.57
New Haven 0.84 0.81 0.53 0.47 0.22 0.42
Springfield 0.79 0.74 0.58 0.64 0.65 0.25
Danbury Hartford 0.91 0.84 0.72 0.76 0.59 0.55
New Haven 0.84 0.88 0.64 0.56 0.23 0.39
Springfield 0.82 0.78 0.58 0.66 0.52 0.31
Hartford New Haven 0.82 0.82 0.64 0.41 0.22 0.46
Springfield 0.85 0.81 0.69 0.62 0.76 0.37
New Haven Springfield 0.75 0.78 0.61 0.46 0.25 0.49
Warm-Season PM2.5 Regional Sulfur Motor Vehicle Road Dust Oil Combustion Sea Salt
Bridgeport Danbury 0.95 0.88 0.63 0.72 0.66 0.36
Hartford 0.91 0.81 0.65 0.65 0.66 0.36
New Haven 0.91 0.87 0.52 0.45 0.29 0.29
Springfield 0.82 0.77 0.60 0.69 0.59 -
Danbury Hartford 0.89 0.90 0.65 0.76 0.50 0.31
New Haven 0.89 0.90 0.61 0.52 0.26 -
Springfield 0.82 0.83 0.48 0.75 0.50 -
Hartford New Haven 0.85 0.89 0.61 0.40 0.27 0.20
Springfield 0.85 0.88 0.66 0.74 0.73 0.22
New Haven Springfield 0.78 0.82 0.52 0.49 - 0.28
Cold-Season PM2.5 Regional Sulfur Motor Vehicle Road Dust Oil Combustion Sea Salt
Bridgeport Danbury 0.92 0.74 0.73 0.71 0.57 0.79
Hartford 0.88 0.71 0.70 0.67 0.82 0.71
New Haven 0.80 0.70 0.52 0.49 - 0.45
Springfield 0.76 0.67 0.55 0.47 0.67 0.25
Danbury Hartford 0.92 0.73 0.75 0.76 0.61 0.72
New Haven 0.82 0.87 0.65 0.57 - 0.41
Springfield 0.81 0.69 0.63 0.51 0.48 0.33
Hartford New Haven 0.80 0.72 0.64 0.45 - 0.57
Springfield 0.83 0.70 0.71 0.40 0.78 0.40
New Haven Springfield 0.70 0.72 0.63 0.38 - 0.46
Average EC Zn Pb Cu Br Si Fe Al Ca
Bridgeport Danbury 0.77 0.73 0.42 0.61 0.55 0.81 0.71 0.71 0.70
Hartford 0.69 0.74 0.36 0.62 0.52 0.79 0.68 0.61 0.66
New Haven 0.50 0.55 0.31 0.47 0.49 0.56 0.31 0.51 0.40
Springfield 0.66 0.66 0.40 0.46 0.48 0.70 0.56 0.54 0.52
Danbury Hartford 0.87 0.81 0.40 0.56 0.52 0.85 0.80 0.66 0.73
New Haven 0.68 0.70 0.27 0.37 0.39 0.63 0.48 0.59 0.55
Springfield 0.75 0.68 0.34 0.40 0.43 0.75 0.62 0.60 0.58
Hartford New Haven 0.65 0.70 0.28 0.46 0.46 0.55 0.47 0.41 0.46
Springfield 0.76 0.81 0.38 0.44 0.42 0.74 0.68 0.58 0.64
New Haven Springfield 0.55 0.65 0.19 0.36 0.46 0.49 0.44 0.47 0.47
Ba Ti S K V Ni Na Cl Mn
Bridgeport Danbury 0.67 0.62 0.90 0.84 0.70 0.55 0.72 0.61 0.31
Hartford 0.59 0.63 0.87 0.80 0.78 0.63 0.73 0.59 0.31
New Haven - 0.37 0.89 0.78 0.25 0.33 0.61 0.44 -
Springfield 0.40 0.54 0.81 0.77 0.65 0.50 0.43 0.26 -
Danbury Hartford 0.57 0.55 0.93 0.85 0.69 0.49 0.73 0.57 0.39
New Haven - 0.51 0.90 0.80 0.31 0.35 0.56 0.41 -
Springfield 0.38 0.53 0.85 0.78 0.60 0.44 0.44 0.31 0.23
Hartford New Haven - 0.33 0.88 0.73 0.28 0.27 0.68 0.47 -
Springfield 0.44 0.53 0.87 0.82 0.80 0.49 0.51 0.39 0.20
New Haven Springfield - 0.45 0.81 0.69 0.32 0.39 0.48 0.49 -
Warm-Season EC Zn Pb Cu Br Si Fe Al Ca
Bridgeport Danbury 0.66 0.63 0.35 0.57 0.52 0.80 0.62 0.72 0.66
Hartford 0.56 0.66 0.29 0.65 0.46 0.78 0.60 0.60 0.64
New Haven 0.45 0.56 0.27 0.56 0.46 0.59 0.47 0.60 0.53
Springfield 0.54 0.67 0.27 0.45 0.41 0.76 0.60 0.68 0.56
Danbury Hartford 0.82 0.70 0.36 0.54 0.48 0.86 0.76 0.67 0.65
New Haven 0.76 0.68 0.33 0.48 0.42 0.62 0.60 0.62 0.67
Springfield 0.69 0.59 0.29 0.35 0.43 0.81 0.68 0.71 0.59
Hartford New Haven 0.71 0.70 0.33 0.55 0.43 0.56 0.62 0.47 0.50
Springfield 0.73 0.77 0.28 0.42 0.36 0.81 0.69 0.70 0.60
New Haven Springfield 0.61 0.64 - 0.49 0.44 0.51 0.60 0.56 0.52
Ba Ti S K V Ni Na Cl Mn
Bridgeport Danbury 0.65 0.66 0.90 0.80 0.75 0.63 0.75 0.39 0.28
Hartford 0.62 0.59 0.86 0.79 0.72 0.57 0.76 0.39 0.29
New Haven - 0.47 0.90 0.78 0.37 0.41 0.71 0.33 0.20
Springfield 0.51 0.58 0.82 0.77 0.63 0.33 0.55 - -
Danbury Hartford 0.57 0.54 0.93 0.80 0.64 0.44 0.73 0.36 0.41
New Haven - 0.52 0.93 0.77 0.34 0.26 0.58 0.23 -
Springfield 0.40 0.58 0.86 0.72 0.60 0.31 0.54 - 0.35
Hartford New Haven - 0.41 0.91 0.69 0.37 0.35 0.69 0.25 -
Springfield 0.57 0.59 0.89 0.77 0.78 0.33 0.56 0.28 0.23
New Haven Springfield - 0.51 0.85 0.69 0.24 0.25 0.60 0.28 -
Cold-Season EC Zn Pb Cu Br Si Fe Al Ca
Bridgeport Danbury 0.89 0.81 0.49 0.63 0.57 0.83 0.78 0.69 0.77
Hartford 0.84 0.80 0.45 0.58 0.59 0.80 0.74 0.58 0.71
New Haven 0.52 0.52 0.36 0.36 0.50 0.56 - 0.40 0.30
Springfield 0.76 0.65 0.57 0.48 0.58 0.61 0.51 0.34 0.52
Danbury Hartford 0.92 0.87 0.43 0.59 0.52 0.85 0.84 0.65 0.80
New Haven 0.57 0.67 - - 0.34 0.64 0.34 0.55 0.43
Springfield 0.82 0.72 0.40 0.46 0.47 0.69 0.54 0.44 0.58
Hartford New Haven 0.56 0.64 - 0.30 0.48 0.55 0.29 0.32 0.36
Springfield 0.82 0.79 0.51 0.48 0.52 0.67 0.68 0.37 0.69
New Haven Springfield 0.48 0.58 0.25 - 0.51 0.48 0.24 0.33 0.38
Ba Ti S K V Ni Na Cl Mn
Bridgeport Danbury 0.68 0.53 0.92 0.87 0.62 0.43 0.68 0.80 0.34
Hartford 0.55 0.58 0.89 0.81 0.84 0.64 0.67 0.72 0.35
New Haven - - 0.89 0.76 - - 0.46 0.46 -
Springfield - 0.41 0.80 0.74 0.69 0.54 0.26 0.26 -
Danbury Hartford 0.56 0.52 0.92 0.86 0.69 0.47 0.73 0.73 0.37
New Haven - 0.43 0.86 0.80 - 0.31 0.50 0.42 -
Springfield 0.34 0.42 0.82 0.79 0.54 0.36 0.26 0.35 -
Hartford New Haven - - 0.84 0.73 - - 0.61 0.55 -
Springfield 0.26 0.37 0.82 0.84 0.80 0.62 0.36 0.40 -
New Haven Springfield - 0.32 0.77 0.66 - - 0.30 0.46 -