OSHA Citation for Fatal Carbon Monoxide Exposure OSHA Citation for Fatal Carbon Monoxide Exposure Occupational Exposure Jon / Tuesday, August 13, 2019 3268 The U.S. Department of Labor’s Occupational Safety and Health Administration (OSHA) has cited AJR Landscaping Inc. – based in Cresskill, New Jersey – for exposing employees to carbon monoxide (CO) after two workers succumbed to the toxic gas. Read more