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Case Study 5: Sour Water Pipeline Repairs Incorrect. Actually, the employer has not met these provisions. Employees, other than the employees performing the servicing and maintenance activity, locked out/tagged out the tank farm's "sour water" valves. In addition, the OSHA investigation revealed that neither the operator of the sour water stripping unit nor the operator of the tank storage farm were trained as authorized employees to perform servicing and maintenance activities. |
