Page 76 - Fundamentals of Air Pollution

Copper 0.019 0.09 0.026 0.12 0.143 0.19 0.136 0.37
Iron 0.743 3.43 0.205 0.90 0.923 1.23 0.254 0.70
Lead 0.083 0.38 0.314 1.38 0.353 0.47 0.066 0.18
Manganese 0.021 0.10 0.013 0.06 0.031 0.04 0.008 0.02
Mercury 0.003 0.01 0.003 0.01
Molybdenum 0.002 0.01 0.001 0.01
Nickel 0.004 0.02 0.007 0.03 0.007 0.01 0.002 0,01
Phosphorus 0.056 0.26 0.021 0.09 — — — —
Potassium 0.222 1.03 0.156 0.69
Selenium 0.001 0.01 0.002 0.01 — — — __
_
Silicon 2.561 11.83 0.360 1.59 — — —
Strontium 0.246 0.21 0.051 0.22 — — — —
Sulfur 0.339 1.56 2.056 9.07 — — — _
Tin 0.006 0.03 0.006 0.03 — — — —
Titanium 0.042 0.19 0.015 0.07 — — — —
Vanadium 0.008 0.04 0.010 0.04 0.015 0.02 0.004 0.01
Zinc 0.038 0.18 0.067 0.30 0.147 0.20 0.114 0.31
Nitrate 0.699 3.23 1.071 4.72 4.647 6.20 2.341 6.41
Sulfate 0.706 3.26 5.30 23.37 10.811 14.42 8.675 23.77
Sum of 43. 82' 47.34^ 23.20 32.64
percentages
" Except for arsenic, chromium, and cobalt where the number of samples was 1245.
b
Except for arsenic, chromium, and cobalt where the number of samples was 30.
c 3
Except for arsenic, chromium, and cobalt where the mean total mass was 76.647 /u.g/m .
d 3
Except for arsenic, chromium, and cobalt where the mean total mass was 30.367 /ig/m .
e 3
Nanograms/m .
• Sulfur is counted twice—as sulfur and as sulfate. Some of this sulfur exists as sulfides, sulfites, and forms other than sulfate.