TABLE B.  LOCATIONS AND DATA COLLECTED IN 1987


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

        AR1                                       X         X         X
        AR2                                       X         X         X
        CA3                   X         X         X                  
        KY1                             X         X         X         X
        MA1                                       X         X         X

        MD1                                       X         X
        MO2                             X         X         X         X    
        MS1         X         X         X         X         X         X
        NE1                                                 X         X
        NE2                                                 X         X
        
        NJ1                                       X         X
        OH1                                                 X         X
        OR1         X         X         X         X         X         
        OR2                             X         X         X         X
        RI1                                       X

        UB1                                       X         X         X
        VA1                             X         X         X         X
        VA4                                       X         X         X
        WA1  


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

        AR1         X         X         X
        AR2         X         X         X
        CA3                   X         X 
        KY1         X         X         X
        MA1                             X

        MD1         X         X                   X 
        MO2         X         X         X         X         X            
        MS1         X         X         X         X         X         X
        NE1         X         X         X
        NE2                             X
        
        NJ1         X         X         X         X         X         X
        OH1                             X
        OR1         X         X         X         X         X         X
        OR2         X         X         X         X
        RI1                                       X         X

        UB1                                       X         X         
        VA1         X         X         X         X 
        VA4         X                   X         X 
        WA1         X