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2015 OKLAHOMA SO2
Highest 1 Hour Daily Highs (ppb) through December 31, 2015
 
Site          2015 Daily Max 1-hr Values   3 Year Avg of 99th Percentile
2012 2013 2014 1st 2nd 3rd 4th* 12-14 Avg 13-15 Avg 2015
99th % 99th %  99th %   (date)  (date)  (date) 99th % 99th % Critical Value
Muskogee  (167) 59.0 37.0 35.0 30.0 49 38 143
63.0 37.0 48.0 11-Nov 14-Sep 8-Dec 10-Nov      
Ponca City  (604)   33.0 32.0 32.0 31.0 n/a n/a 158
38.0 30.0 40.0 10-Oct 27-Sep 19-Oct 3-May    
Ponca City  (602)   (closed) n/a n/a n/a
34.0 closed (closed)      
OKC (North) (1037) 4.0 4.0 4.0 3.0 3.3 3.0 222
4.0 3.0 3.0 24-Aug 18-Sep 9-Nov 6-Jan    
Tulsa Newblock  (175) 13.0 12.0 11.0 11.0 37 22 172
54.0 42.0 14.0 29-Dec 4-Feb 8-Jan 2-May      
Tulsa TCWD (235) 14.0 10.0 10.0 9.0 17 12 201
24.0 19.0 8.0 21-Jan 19-Jan 9-Jun 13-Jan    
Tulsa  Edison (501) (closed) na n/a n/a
58 closed closed      
Tulsa Central (1127) 13.7 10.0 9.0 8.9 14 12 202
15.5 19.8 5.9 26-Oct 6-Nov 25-Oct 19-Nov    
Tulsa Riverside (179) 9.0 8.0 8.0 8.0     n/a
  48.0 7.0 26-Oct 19-Oct 25-Oct 25-Nov  
* 4th Highs are considered 99th percentile until end of year data completeness can be calculated.