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Section 5(a)(1) of the Occupational Safety and Health Act of 1970: The employer did not furnish employment and a place of employment which were free from recognized hazards that were causing or likely to cause death or serious physical harm to employees in that: a) Employees are exposed to being struck by falling metal parts and tank contents at #2 Unit, #9 and 10 Decanter Tanks in that the tanks' roof plates are heavily rust layered and thin with many locations with holes rusted through; the buckstay flanges are rust layered and thin to 1/8 inch, the elevated access walkway support steel is deteriorated; the flanges are rust layered and thin to 3/16 inch along the edges. The web connection components are rust layered with moderate section loss; the clip angles and fasteners for the walkways support steel are rust layered and thin; the valve access platform's floor plate is uplifted by 1/2 inch at several locations due to rust packing between support members with the edges and corners heavily rust layered and thin to knife edges. One acceptable method to abate this hazard, among other methods, is to repair #9 and #10 Decanter Tanks - 2nd Unit in accordance with sound engineering practices.
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