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Ozone Data Summary (1995-1998)
 

Twentynine Palms-Adobe Road #2

Mojave Desert AQMD
 
Mojave Desert Air Basin San Bernardino County
Year % of Days Moni-
tored
Number of Days Standard Exceeded 1-hr Ozone
Concentrations
ppm
8-hr Ozone Concentrations
ppm
State 1-hour Federal 1-hour Federal 8-hour 1st
High
2nd
High
3rd
High
4th
High
EPDC* 1st
High
2nd
High
3rd
High
1998 99 13 0 11 0.118 0.116 0.108 0.106 0.118 0.110 0.109 0.095
1997 91 15 0 14 0.115 0.114 0.114 0.111 0.116 0.104 0.101 0.097
1996 94 19 0 20 0.121 0.118 0.114 0.112 0.113 0.101 0.099 0.098
1995 96 3 0 1 0.110 0.098 0.095 0.094   0.093 0.084 0.084
* The Expected Peak Day Concentration (EPDC) is calculated based on data for 3 successive years, listed by the last year of the three year period.  The EPDC represents the ozone concentration expected to occur once per year.
   

Please send your questions or comments to:
aqdweb@arb.ca.gov

This page last revised on March 26, 1999.

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