Health Hazard Evaluation Report No. HETA 82-034-1121, McAlphin's Department Store, Cincinnati, Ohio

摘要

On November 2, 1981, NIOSH conducted an evaluation of a roof tear-off at McAlpin's Department Store, Cherry Grove Shopping Center, Cincinnati, Ohio. The tear-off involved the manual removal of an old petroleum pitch roof. Approximately 10 workers were involved in the manual prying, scraping, and hand removal of the petroleum pitch roof surface. Personal breathing-zone total dust samples were collected on nine workers using glass fiber/silver membrane filters at a flowrate of 1.5 liters per minute. A bulk sample of the tear-off dust was collected to be analyzed for cyclohexane solubles and PNA content. Analyses of the bulk dust indicated 0.07 milligrams of cyclohexane solubles per milligram of bulk material. No PNAs were detected (limit of detection - 0.05 ppm) in the bulk samples. The cyclohexane soluble fraction of the total particulate collected in the breathing-zone samples ranged from 0.09 to 2.3 milligrams per cubic meter.