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Occupational Safety and Health Administration OSHA

Inspection Detail



Violation Summary
Serious Willful Repeat Other Unclass Total
Initial Violations 1 1 2
Current Violations 1 1 2
Initial Penalty $1,000 $0 $0 $300 $0 $1,300
Current Penalty $1,000 $0 $0 $300 $0 $1,300
FTA Amount $0 $0 $0 $0 $0 $0

Violation Items
# ID Type Standard Issuance Abate Curr$ Init$ Fta$ Contest LastEvent
  1. 01001 Serious 95012901 05/09/2014 05/13/2014 $1,000 $1,000 $0 -
  2. 01002A Other 19101200 E01 05/09/2014 06/05/2014 $300 $300 $0 -
  3. 01002B Other 19101200 G08 05/09/2014 05/13/2014 $0 $0 $0 -
  4. 01002C Other 19101200 H01 05/09/2014 06/05/2014 $0 $0 $0 -

Accident Investigation Summary
Summary Nr: 202082541 Event: 03/21/2014Four Workers Are Sickened When Exposed To Carbon Monoxide
On March 21, 2014, Employees #1, #2, #3, and #4, a supervisory mason and members of his crew of masons, all employed by a tile and marble construction contractor, were engaged in removing the epoxy floor system from the kitchen area of a county jail. They were using an EDCO SS-20 propane-powered concrete saw to cut a 60-foot by 40-foot grid pattern into the floor to expedite its removal. The four employees were located at different locations around the saw and performing various duties, including operating the saw, handling hoses, and using shop vacuums to clean up the floor area. The work had been in progress for an estimated 45 minutes when one of the employees, located in direct proximity to the saw's exhaust fumes, began to experience symptoms of nausea, lightheadedness, and disorientation. The employee was removed from the work area to fresh air. A fellow crew member then communicated to the other employees that their colleague was experiencing these symptoms. The three other employees in the work area stated that they were experiencing lightheadedness, also. Emergency services were called. Two of the four sickened employees were evaluated by an emergency medical responder and declined further treatment. The other two employees were transported to Carolina Medical Center, evaluated, and released. These two employees had carboxyhemoglobin levels of 15.9 and 9.7. This event was investigated by North Carolina OSHA. A Compliance Safety and Health Officer (CSHO) conducting the investigation used the Coburn equation to calculate a theoretical carbon monoxide exposure based on 85 minutes and 63 minutes of exposure, respectively. The CSHO calculated that one of the two evaluated employees had an exposure of 56.67 ppm, and the other evaluated employee had an exposure of 35.57 ppm. These exposures were calculated as 8-hour time weighted averages to determine an overexposure to the OSHA PEL of 50 ppm.
Keywords: dismantling, glue, toxic atmosphere, construction, nausea, saw, dizziness, propane, carbon monoxide, concrete
Inspection Degree Nature Occupation
1 317618973 Non Hospitalized injury Other Brickmasons and stonemasons apprentices
2 317618973 Non Hospitalized injury Other Brickmasons and stonemasons apprentices
3 317618973 Non Hospitalized injury Other Brickmasons and stonemasons
4 317618973 Non Hospitalized injury Other Supervisors; brickmasons, stonemasons, tilesetters

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