On average, employees in Chicago, IL at Clean Harbors give their company a 4.7 rating out of 5.0 based on 1, whereas overall Average Rating of Clean Harbors is 3.2 out of 5.0 based on 46 Clean Harbors Review Ratings. The happiest Clean Harbors employees in Chicago, IL are Field Chemists submitting an average rating of 4.7.
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