For ARAMARK Cleanroom Services’ cleanroom plant in Los Angeles, success is measured in microns. 
 
By that we mean that cleanroom operators process industrial uniforms for a customer base that includes pharmaceutical labs, microelectronics and medical device manufacturers that require special care from start to finish. “A key concern is cross contamination,” says Michael Rataj, group technical manager who led this correspondent on a tour of the company’s 20,000-square-foot plant in LA’s Huntington Park. The company uses barcode labels to keep garments in distinct batches. “Our garments from different customers are kept separate,” says Rataj. “We can identify ...