Document mBjOXX9ajjMrXX7L9a6dL03MZ
MELLON INSTITUTE OF INDUSTRIAL RESEARCH ANALYTICAL DEPARTMENT
Fellow
C. Rjrafcfc
* Dust
Analywi* of
Total silica
Analysed for.
Dole Submitted,
4/2/49
Date Reported.
Industrial Fellowship No. Fellow's Sample No. laboratory Serial No.
4/50/45
Duct from F. Eetseband, Tri-State Assoc., Eagle Plcher Co.
Silica
29. $5, 29.42
Are. 29.54*
/3 F.F.r;upert:CEG
t r*. M
PLAINTIFF'S EXHIBIT IHF-41tf
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