0000950117-01-500077 10-Q 2 20010331 20010424 BHA GROUP INC 0000801128 3564 431416730 DE 0930 10-Q 34 000-15045 1609196 8800 E 63RD ST KANSAS CITY MO 64133 8163568400 8800 E 63RD STREET KANSAS CITY MO 64133 10-Q 1 a29553.txt BHA GROUP HOLDINGS, INC. 10-Q EX-11 2 exhibit11.txt EXHIBIT 11