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Table 4-21  
Air Pollution—Monitored Pollutants, Standards Exceeded at Selected Sites, in Idaho, 1990
          2d Highest   # Times Standard Exceeded[1]
           
Site Location Pollutant Standard Max. Date Date 1986 1987 1988 1989 1990
  Region I
 
Coeur d'Alene
Lakes Middle School PM10 µg/m3 >150 168 8-Sep 73 15-Aug   0 0 1 1
Hayden
Government Way & Hayden PM10 µg/m3 >150 144 8-Sep 73 15-Aug         0
Hope
#1 Ranch Grass burn PM10 µg/m3 >150 91 15-Sep 72 12-Sep       0 0
Kellogg
Medical Center TSP µg/m3 >150 151 28-Feb 132 7-Dec 1 0 0 0 0
  Pb µg/m3, 24 hr. avg. >1.5 µg/m3 0.15       0 0 0 0 0
Lewiston
8th ST/Webster School PM10 µg/m3 >150 125 8-Sep 76 31-Dec       0 0
State office building PM10 µg/m3 >150 140 8-Sep 81 31-Dec 0 0 0 0 0
Orofino
150 Michigan AV PM10 µg/m3 >150 102 22-Feb 100 15-Sep     0 0 0
Pinehurst
Elementary School PM10 µg/m3 >150 142 28-Feb 101 6-Mar 4 6 2 1 0
Post Falls
Ponderosa School PM10 µg/m3 >150 137 8-Sep 137 8-Aug     0 0 0
Sandpoint
Post office PM10 µg/m3 >150 218 4-Oct 192 26-Feb 1 0 3 0 2
 
  Region II
 
Boise
16th & Grove PM10 µg/m3 >150 78 22-Mar 76 28-Feb 1 0 1 0 0
  Pb µg/m3, 24 hr. avg. >1.5 µg/m3         0 0 0 0 0
1740 E Bergeson PM10 µg/m3 >150                  
Fairview & Liberty PM10 µg/m3 >150 86 20-Sep 71 9-Aug       0 0
Mountain View School PM10 µg/m3 >150 57 19-Jan 54 1-Jan 0 0 0 0 0
  CO ppm, 8 hr. >9 ppm 2.7   2.1   0 0 0 0 0
Odd Fellows Building CO ppm, 8 hr. >9 ppm 8.1   7.7   3 2 0 0 0
9500 Overland TSP µg/m3 >150 166 9-Aug 91 17-Apr         1
Hansen
Hansen School TSP µg/m3 >150 197 5-Apr 162 16-Jul         3
  PM10 µg/m3 >150 90 16-Jul 77 5-Apr         0
Ketchum
9th ST Atkinson Park PM10 µg/m3 >150 46 31-Dec 36 31-Dec         0
 
  Region III
 
Chubbuck
Chubbuck Elementary School PM10 µg/m3 >150 145 2-Oct 124 3-Jan     0 0 0
Idaho Falls
6th & Lee PM10 µg/m3 >150 68 9-Aug 53 7-Oct       0 0
Pocatello
8th & Carter PM10 µg/m3 >150 69 19-Jan 64 4-Aug     0 1 0
Gould & Garrett Way PM10 µg/m3 >150 47   27           0
Sewage treatment plant PM10 µg/m3 >150 259 2-Oct 165 21-Jan 2 0 1 0 2
  SO2 ppm, 24 hr. avg. >0.14 0.051       0 0 0 0 0
Soda Springs
West Conda PM10 µg/m3 >150 109 20-Feb 106 28-Jul 1 0 1 0 0
  SO2 ppm, 24 hr. avg. >0.14 0.053       0 0 0 0 0
Norton Ranch PM10 µg/m3 >150 96 11-May 67 5-Apr       0 0
Source: Idaho Division of Environmental Quality, 1990 Idaho Air Quality Annual Report, 1991.
Notes:
PM10 particulates <= 10 microns µg/m3 micrograms per cubic meter of air   TSP Total Suspended Particulates
Pb Lead CO Carbon Monoxide ppm parts per million of air SO2 Sulfur Dioxide
[1] When data are not available in this section, it is usually because the monitoring site had not been established at that time.

Compiled by: Diane Prorak, data input assisted by: Robert Anton-Erik
Contact: Lily Wai

 

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