SimilarityRank
particulate 0.935 32316
pollutants 0.889 16074
contaminants 0.886 17549
gasses 0.860 45276
gases 0.857 11662
VOCs 0.854 56195
oxides 0.839 42880
dioxide 0.838 10273
particles 0.836 7018
contaminant 0.829 45441
pollutant 0.817 41997
sulfide 0.811 49224
ammonia 0.810 21773
contaminates 0.799 75535
aerosols 0.799 54502
sulfur 0.793 22001
soot 0.792 34824
vapors 0.788 41277
dioxins 0.784 77636
gaseous 0.783 42339
impurities 0.782 24506
NOx 0.780 55787
nitrogen 0.780 12237
PAHs 0.779 93057
chlorine 0.778 17545