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                              "TABLE 1

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

ÄÄ

Area class     Design value*     Primary standard attainment date**

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

ÄÄ

Marginal......    0.121 up to 0.138......   3 years after enactment  

Moderate......    0.138 up to 0.160......   6 years after enactment  

Serious.......    0.160 up to 0.180......   9 years after enactment  

Severe........    0.180 up to 0.280......   15  years after  enactment

Extreme.......    0.280 and above........   20 years after enactment

ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

ÄÄ

   * The design value is measured in parts per million (ppm).  

   ** The primary  standard attainment date is measured from the date

of the enactment of the Clean Air Amendments of 1990.  

   "(2) Notwithstanding table 1, in the case of a  severe area with a

1988  ozone design value between  0.190 and 0.280  ppm, the attainment

date shall  be 17 years (in  lieu of 15  years) after the date  of the

enactment of the Clean Air Amendments of 1990.

   "(3) At  the  time of  publication  of  the notice  under  section

107(d)(4) (relating to area designations) for each ozone nonattainment

area,  the  Administrator  shall   publish  a  notice  announcing  the

classification  of such  ozone nonattainment  area. The  provisions of

section  172(a)(1)(B)  (relating to  lack  of notice  and  comment and

judicial review) shall apply to such classification.

   "(4)  If an  area classified under  paragraph (1)  (Table 1) would

have  been classified in another  category if the  design value in the

area were 5 percent greater or 5 percent less  than the level on which

such  classification   was  based,  the  Administrator   may,  in  the

Administrator's  discretion,   within  90   days  after   the  initial

classification, by the procedure  required under paragraph (3), adjust

the classification to place the area in such other category. In making

such  adjustment,  the  Administrator   may  consider  the  number  of

exceedances of the national  primary ambient air quality standard  for

ozone in the  area, the level of pollution transport  between the area

and  other affected  areas, including  both intrastate  and interstate

transport, and the mix of sources and air pollutants in the area.

   "(5) Upon application by  any State, the Administrator  may extend

for  1  additional year  (hereinafter  referred to  as  the `Extension

Year')  the  date specified  in  table  1  of  paragraph (1)  of  this

subsection if-

         "(A)  the  State  has  complied  with  all  requirements and

      commitments   pertaining  to   the  area   in   the  applicable

      implementation plan, and  

         "(B) no more  than 1 exceedance of the national  ambient air

      quality  standard level for ozone  has occurred in  the area in

      the year preceding the Extension Year.

No more than 2 one-year extensions may be issued under this  paragraph

for a single nonattainment area.

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