A sanitation company based in Kieler, Wisconsin, paid over $1 million in fines after getting caught illegally employing over 100 children to work in dangerous jobs, a federal investigation found.Packers Sanitation Services Inc. LTD (PSSI), one of the nation’s largest food sanitation services, placed 102 children between 13 to 17 years old in hazardous occupations, including cleaning dangerous equipment at meatpacking plants, according to a press release from the U.S. Department of Labor’s (DOL) Wage and Hour Division.Federal investigators found that — in addition to cleaning meat processing equipment, including back saws, brisket saws and head splitters —  children worked with hazardous chemicals an …