Exhibit 10.6(j) --------------- LETTER AMENDMENT TO THE REVOLVING CREDIT AND LETTER OF CREDIT AGREEMENT Letterhead of Mercantile Safe Deposit & Trust Company May 31, 2001 Mr. Lawrence Rychlak Senior Vice President and Chief Financial Officer...Revolving Credit and Letter of Credit Agreement • June 25th, 2001 • Environmental Elements Corp • Industrial & commercial fans & blowers & air purifing equip
