TABLE B.                                
       LOCATIONS AND DATA COLLECTED IN 1984-87


               JANUARY    FEBRUARY   MARCH      APRIL      MAY        JUNE
               QUALITY    QUALITY    QUALITY    QUALITY    QUALITY    QUALITY
   LOCATION    RATING     RATING     RATING     RATING     RATING     RATING

     CA1          X          X          X          X          X          X 
     DC1                                                                 X
     GA1                                X          X          X          
     ID1                                           X          X          X
     IL1                                           X          X          X

     KS2                                           X                     X     
     KS3                                           X                     X
     KY1                                X          X          X          X
     MD1                                           X          X          X
     MI1                                           X          X          X

     MN1     
     NC1                                X          X                     X
     NC3                                                                 X
     NE1                                           X          X          X
     NJ1                                X          X          X          X

     NY1                                           X          X          X
     NY2                                                      X          X
     OK2                     X          X          X          X          X
     OR1          X          X          X          X          X          X
     OR2                                X          X          X          X

     UB1                                           X          X          X
     VA1                                X          X          X          X
     WA1                                           X          X          X
     WA3          X          X          X          X          X          X
                                        
             
     TABLE B. (CONT'D)                               
       LOCATIONS AND DATA COLLECTED IN 1984-87


               JULY       AUGUST     SEPTEMBER  OCTOBER    NOVEMBER   DECEMBER
               QUALITY    QUALITY    QUALITY    QUALITY    QUALITY    QUALITY
   LOCATION    RATING     RATING     RATING     RATING     RATING     RATING

     CA1          X          X          X          X          X          X 
     DC1          X          X                     X          X          X
     GA1          X                     X                     X          
     ID1          X          X          X          X          X          
     IL1          X          X          X

     KS2          X                     X
     KS3          X                     X 
     KY1          X          X          X          X
     MD1          X          X          X          X
     MI1          X          X          X          X       

     MN1                                           X
     NC1          X                     X          X          X
     NC3          X          X                     X 
     NE1                     X          X          X
     NJ1          X          X          X          X          X          X

     NY1          X          X          X          X
     NY2          X          X          X          X
     OK2          X                     X          X                     X
     OR1          X          X          X          X          X          X
     OR2          X          X          X          X

     UB1          X          X          X          X          X
     VA1          X          X          X          X          X
     WA1          X          X          X          X          X
     WA3          X          X          X          X          X          X