0000906304-02-000009 SC 13G/A 1 20020207 BHA GROUP INC 0000801128 3564 431416730 DE 0930 SC 13G/A 34 005-38753 02529787 8800 E 63RD ST KANSAS CITY MO 64133 8163568400 8800 E 63RD STREET KANSAS CITY MO 64133 ROYCE & ASSOCIATES INC /NY 0000906304 132579297 SC 13G/A 1414 AVE OF AMERICA NEW YORK NY 10019 2124861495 1414 AVE OF THE AMERICAS NEW YORK NY 10019 QUEST ADVISORY CORP/NY 19970805 SC 13G/A 1 bhag10.txt 10TH AMENDMENT