Meatpacker I-B-P Incorporated announced a plan today to work with the Immigration and Naturalization Service to cut the number of illegal aliens working in its Iowa plants. I-B-P spokesman Gary Mickelson (mike’-el-son) says I-B-P will supply information on new employees to the I-N-S which will check their background to make sure they’re in the country legally. Mickelson says the program will only be used in its Iowa plants, but may be expanded if it proves successful.He says I-N-S can do a lot more than the company to check the background of workers.Mickelson says the company wants to do what it can to ensure that its workers are legal.I-B-P employs over four-thousand workers at plants in Waterloo, Denison and Storm Lake.