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Region Site Units 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
NE Oregon Hermiston Municipal Airport ppb 23.6 18.6 15 12.4 11 10.7 8.9 7.8 7.4 9.7 12.2 16.2 21.2 27.3 33.8 39.6 44.6 46 46.5 44.2 41.6 38.6 33.3 27.1
Portland Metro Carus Spangler Road ppb 34.2 29.8 25.2 20.8 16.1 13.3 11.4 10.4 9.7 9.8 10.8 12.8 16 19.3 23.5 27.5 30.8 33.2 34.2 34.4 34.2 32.5 30.2 27.1
Portland Metro Portland SE Lafayette ppb 20.6 18.5 17.6 17 14.1 11.9 9.9 8.5 7.7 7.4 8.2 9.7 11.6 13.7 16.4 19.7 23.1 25.4 25 23.5 21.6 19.4 17 13.9
Portland Metro Sauvie Island ppb 22.5 20 18.1 17.5 16.7 15.8 15 14.1 12.9 12.2 12.1 12.9 14.7 17.4 20.6 23.4 26.5 28.8 27.8 27.2 26 24.4 22.3 20.8
Portland Metro Tualatin Bradbury Court ppb 12.7 8.4 6 4.4 3.7 3.1 2.9 3 3.8 4.8 5.8 7.6 10.2 12.6 15.9 18.4 20.6 23.2 24.5 24.1 23.1 21.6 19.2 16.8
SW Oregon Talent ppb 36.2 35.6 34.8 34 33.6 33.2 32.6 31.6 30.4 30 30.5 31.7 33.9 36.8 40.1 43.5 46.5 48.1 48.8 48.4 46.8 44.1 41.4 38.9
Willamette Valley Eugene Saginaw ppb 11.6 9.3 8.4 8.3 8.1 7.9 7.5 7.3 7.3 7.1 7 7.8 10.1 13.6 17.6 21.9 25.2 26.8 27 25.9 22.9 19.4 15.7 11.6
Willamette Valley Salem State Hospital ppb 23 20.4 19.1 17.8 15.8 13.3 10.8 9.6 8.9 8.7 8.6 9.7 12.5 17.6 22.9 27.5 31.4 33.7 34.3 33.3 32.5 30.1 26.8 23.7
Willamette Valley Turner Cascade Junior HS ppb 16.8 12.8 10.2 8.7 7.9 7.1 6.5 6.4 6.5 6.9 7.7 9 11.5 15.3 19 22.5 26 28.2 29.1 28.9 26.6 23.2 19.2 15.2