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

        BC1         X         X         X         X         X         X
        CA3                   X         X         X
        IA1                                                 X         X
        ID2                                       X                   X
        IN1                             X         X         X         X
        KS2                                       X                   X
        KY1                             X         X         X         X    
        MB1
        MD1
        MO1                                       X         X         X
        NE1                                                 X         X
        NJ1                                       X         X         X
        NJ2                                       X         X         X
        OH1                                                 X         X
        OK1                                       X         X         X
        OR1         X         X         X         X         X         X
        RI1                                       X
        SD1
        UB1                                       X         X         X
        VA1                                       X         X         X
        VA2                                                 X         X
        VA3                                       X         X         X
        WA1
        WA3         X         X         X  
        WA4

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

        BC1         X         X         X         X         X         
        CA3                   X         X                   X
        IA1         X         X         X         X  
        ID2         X         X         X         X         X
        IN1         X         X         X         X
        KS2         X         X         X
        KY1         X         X         X         
        MB1
        MD1         X         X                   X
        MO1         X         X         X         X         X
        NE1                   X         X
        NJ1         X         X         X         X         X         X
        NJ2         X         X         X         X         X         X
        OH1                   X
        OK1         X
        OR1         X         X         X         X         X         X
        RI1         X                             X         X
        SD1
        UB1         X         X         X         X         X
        VA1         X         X         X         X         
        VA2         X         X         X         X         X
        VA3         X         X                   X                   X
        WA1         X
        WA3         X                   X                             X  
        WA4