Document Xzg6Evj8MJJwmbany7b0rEDox

DATE: INDUSTRIAL HYGIENE MONITORING June 20, 1987. PROJECT: DATE OF SAMPLES: SUMMARY: SAMPLE Z-8973 TYPE Area IH monitoring was requested as a result of concern over potential asbestos exposure in the Monomers control room. This concern was raised when it was found that loose insulation had dropped onto the roof of the building near the ventilation system intake. 2/13/87 TIME START STOP 11:02 18:52 MINUTES 470 FLOW RATE 3050 cc/min. VOLUME CONC. 1433.5 1 <0.003 fibers/ cc TWA8 0.133 f/cc RECOMMENDATIONS: Report these results to operators and staff in Monomers. DISCUSSION: METHOD OF ANALYSIS: DATA AND REPORT BY: ANALYSIS BY: COPY TO: Operators should be conanended for bringing this situation to the attention of I.H. Fiber concentrations were well below the 12-hour time weighted average PEL. Continued recognition/ reporting/monitoring and correction of possible problem situations is strongly encouraged. Microscopy C. R. McMillan/T. L. Grittie JHM Labs D. G. 8eddaw,*`Tf. A. Boggs, A. A. Cosper, E. L. Doerflein, R. P. Leichliter. TLG/le 5609A UCC 002058