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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 115921.015 - Three Employees Are Exposed To Carbon Monoxide, One Is Hospi

Accident: 115921.015 -- Report ID: 0521100 -- Event Date: 04/30/2019
InspectionOpen DateSICEstablishment Name
1397878.01505/02/2019From The Forest, Llc

At 2:30 p.m. on April 30, 2019, an employee from a temporary employment agency b egan his first day as a line worker for a firm that was engaged in millwork, inc luding flooring. He was a machine operator, and he worked on a press line. On th e line, he worked filling cracks and knot holes in floorboards before they went through a planer. He was at a worksite, that of a firm that provided general sto rage and warehousing. His employer, the millwork firm, was sharing the building occupied by the storage and warehouse firm. The warehouse firm had a Caterpillar model CG55KSTR powered industrial vehicle (PIV) that it used for material handl ing operations. Warehouse employees operated it for some 2.5 hours daily. It ran on liquid petroleum (LP). It was provided by an outside firm that also performe d maintenance. On April 30, 2019, the Caterpillar had fuel flow issues that caus ed it to produce concentration levels of carbon monoxide (CO) in excess of 50 pp m. After two or three hours, the millwork firm employee developed a mild headach e. Throughout the day, his headache grew so strong that when he got home after w ork, he had his wife take him to the hospital. The hospital analyzed his blood a nd transported him to a bigger hospital, for treatment of elevated carboxyhemogl obin. He was hospitalized. From the analysis of the blood drawn at the first hos pital, it was calculated that the employee's 8-hour carbon monoxide time weighte d average exposure was 223.8 ppm. He had had been exposed to 440 percent of the 8-hour time weighted average carbon monoxide exposure limit of 50 ppm. On May 2, 2019, the PIV had an emissions test. The carbon monoxide level in its exhaust w as measured at 4.28 percent. Two other employees at the site were exposed to car bon monoxide, but they were not hospitalized. An OSHA inspector measured baselin e CO level in the warehouse at 66 ppm. With the doors closed and the PIVs operat ing, a lift truck firm employee measured the CO level at 42,300 ppm.

Keywords: carbon monoxide, carboxyhemoglobin, exhaust fumes, machine operator, material handling, powered industrial vehicle, temporary employment agency, toxic fumes, warehouse

Employee Details
Employee # Inspection Age Sex Degree Nature Occupation
1 1397878.015 33 M Hospitalized injury Machine operators, not specified

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