Document 70NjKDKm0ELzQZxaLgbpnN5Ze

E. 0. Lovlck 20N0LITE DIVISION W. R. GRACE A CO. LIBBY. MONTANA TELEPHONE *83-4131 March 27. 1969 W. C. Nordln <-1118 r Kostic, R. J. kujawa, J. D. Rifleman 0362S030 The March 1969 dust counts for the Dry Mill Floors ere tabulated below. The counts are exceptionally high because the 600 Fan was down while Its cyclone was being replaced. The 600 Fan ventilates much of the dry mill equipment. During the sampling period, the wind was 5-10 mph from the southwest, temper ature was 46F and the barometer read 30.37* Floor 6 5 4 3 Half Deck 2 1 Dust Counts Ismil___ 5Mi 38*0 56.8 59*9 141.6 76*7 46.4 ' v.-< * WCNordin/Jbg /SL&fc rz< V -J-L.. /Ax-r- c~t- y i/- f- 15163038