Document BR8Yb7VRwamKwxr4a5ymGq6RL

MORTON CORN. PM. O.. B. COM*ULTIMO INOIMtia e. OTTTSOVMM. WMfWVMU) ***** February 9, 1971 . PLAINTIFFS EXHIBIT ma -->M* Mr* G. B, Gregory Pittsburgh-Corning Corporation F. 0. Box 37 Fort Allegany, Pennsylvania plaintiffs EXHIBIT WV-11067 Dear Greg* Dennis Bridge, Felix Stein of our laboratory, and I will arrive at Fort late Monday evening, February lith< Me plan to leave about six on Tuesday. Therefora, would you please reserve three singles at the Canoe Place Inn* During the day on Tuesday the urethane area will be saapled for dust by a variety of Methods to yield lapInger counts, membrane filter counts# respirable dust weight and particle aerodynamic site distribution. Mr. Stein and Mr. Bridge will be able to carry on this sampling effort. 2 would like to be present at the start of sampling in the A.K. to see that all is in order. Then I can be available to go over other mattera with you. With regard to the ashestoa data, the numbers are highly variable, which la not unusual, but the range of values presented is even wider than Z would expect. However, the data are c little use unless the following information is also supplied. 1. Site end duration of sampling, together with the employee's activities during sampling. 2. Sampling air flow rate and nature of the inlet to the membrane filter holder. 3. Manner of differentiating between asbestos and other fibers, if differentiation was performed. startled me. Heedless to say, some of the numbers reported Sincerely youra, '77Tct Morton Corn Consultant Tf .DEPOSITION EXHIBIT I WV-11067