Exhibit 10.3 SECOND AMENDMENT AND WAIVER TO THIRD AMENDED AND RESTATED REVOLVING CREDIT AGREEMENT Second Amendment and Waiver, dated as of March 28, 2002, to Third Amended and Restated Revolving Credit Agreement ("this Amendment"), by and among...Revolving Credit Agreement • March 29th, 2002 • Ionics Inc • Special industry machinery, nec • Massachusetts
