Document Lgzwp05OadDQYJdQrzOypbaNb

INDUSTRIAL HYGIENE MONITORING FOR ASBESTOS wUr i TO: W. T. Shelton, 704 Shop Computer Ref. W1123 CC: G. F. Hurley H. L. Robinson PERSON MONITORED Location EXPOSURE RESULTS R. E. Raines, John Greenlee Bldg. 704 Powerhouse Basement Date 11/24/80 Sample 1 2 3 4 5 6 Cone. .07 fibers/c c .13 fibers/c c Sampling 41 minutes 41 minutes Comments Personal Sample - R.E. Raines Personal Sample - John Greenlee Time-Weighted Average Concentration (TWA) Ceiling Concentration ALLOWABLE EXPOSURE TWA ________________________ Ceiling ________________________ OSHA OSHA UCC UCC Other Other COMMENTS Samples taken during stripping of about 20 feet of high pressure steam line in the basement of the Powerhouse. Persons monitored wore respirators and used a sprayer to wet down the insulation to be removed. Very little visible dust was generated during the stripping operation. All necessary precautions were taken during the operation and the workers did an excellent job of cleaning up afterwards. Colorimetric testing of a sample of the insulation removed showed no presence of asbestos. WORK BY ________________________________________________ ,g_ / UCC 024187