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Occupational Safety and Health Administration OSHA

Inspection Detail

Case Status: CLOSED
Inspection: 1348600.015 - M. B. Painting, Inc

Inspection Information - Office: Maryland Region 2

Nr: 1348600.015Report ID: 0352420Open Date: 09/24/2018

M. B. Painting, Inc
15200 Omega Dr
Rockville, MD 20850
Union Status: NonUnion
NAICS: 238310/Drywall and Insulation Contractors
Mailing: 6802 Industrial Dr.Unit 204, Beltsville, MD 20705

Inspection Type:Fat/Cat
Scope:Partial Advanced Notice:N
Safety/Health:Health Close Conference:10/30/2018
Close Case:12/20/2018

Related Activity:TypeIDSafetyHealth
Case Status: CLOSED

Accident Investigation Summary
Summary Nr: 110278.015Event: 09/22/2018Nine Employees Are Exposed To Carbon Monoxide Poisoning From
At 7:55 a.m. on September 22, 2018, nine employees were working in a commercial building to install plumbing and drywall. Employee #1 was performing supervisory duties, Employee #2 was operating a propane powered saw (EDCO 552025P) to cut the concrete floor in preparation to install plumbing and Employees #3-9 were installing drywall. Employee #2 operated the saw from approximately 6:00 a.m. to 6:45 a.m. and again at 7:00 a.m. to 7:45 a.m. using a loading dock door as ventilation for the room (39,875 cubic feet volume of the room) while the air conditioning system continued to recirculate air from the area. Employees #3-9 first reported symptoms of carbon monoxide (CO) exposures at 7:55 a.m. and the area was evacuated and Emergency Medical Service (EMS/911) was called at 8:08 a.m. Responding EMS provided on-site treatment and transported seven of the nine employees to local hospitals for further treatment. While on-scene (approximately 8:14 a.m.), EMS measured the CO concentration in the room at approximately 200 ppm. Two other employees transported themselves, after initially refusing transport, to a local hospital for treatment. All employees received treatment for CO exposure at the hospital and released the same day.
Keywords: propane, venting, drywall, carbon monoxide, installing, operating, cutting, ventilation, saw, air conditioner
Inspection Degree Nature Occupation
1 1348600.015 Hospitalized injury Poisoning(Systemic)
2 1348600.015 Hospitalized injury Poisoning(Systemic)
3 1348600.015 Hospitalized injury Poisoning(Systemic)
4 1348600.015 Hospitalized injury Poisoning(Systemic)
5 1348600.015 Non Hospitalized injury Poisoning(Systemic)
6 1348600.015 Hospitalized injury Poisoning(Systemic)
7 1348600.015 Hospitalized injury Poisoning(Systemic)
8 1348600.015 Non Hospitalized injury Poisoning(Systemic)
9 1348600.015 Hospitalized injury Poisoning(Systemic)

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