FORN

I A

Sutter Countyj(part), CA
(Sutter Buttes)

Chico, CA

San Francisco
Bay Area, CA~

0	25 50	100 Miles

1	I I I I I I I I

0

o

Nevada County (Western part), CA

^ne\|ad

DESIGNATIONS FOR THE 1997

8-Hour Ozone (03)

NATIONAL AMBIENT AIR QUALITY STANDARDS

I B Nonattainment/Subpart 2/Extreme
I I Nonattainment/Subpart 2/Severe-15
I I Nonattainment/Subpart 2/Serious
I I Nonattainment/Subpart 2/Moderate
I I Nonattainment/Subpart 2/Marginal
~ Unclassifiable/Attainment

Amador and Calaveras Cos., CA
(Central Mountain Cos.)

x

NMariposa and Tuolumne Cos., CA
(Southern Mountain Counties)

VenturajCounty, C

AnqelesS^
South Coast AiPBasiniTG^

H AWA

*

GUAM

Kern Co.

(Eastern Kern), CA

Las Vegas and Phoenix have requested redesignation to attainment
2Las Vegas has received Clean Data Determinations.

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