Document jN5mrxNq67N9QN1Vwvr3Bk0eZ

-.* .V' E 0. Lovlck ZONOUTH DIVISION W. R. GRACE & CO. LIBBY. MONTANA telephone a3-4i3i July 31 1969 Olill W. N. Hordln L-Ptter Kostic. J. 0. Riggleman, R. J. Kujawa 0362S036 The July dust counts* taken July 30* 1969* for the Dry Hill floors are tabulated below. During the sampling period the wind was 1-2 ph from the SSW, the temp erature was 68F and the barometer read 30.30. Floor 6 5 4 3 Half Deck 2 l Dust Counts (appcf) 13.6 7.7 4.6 *.l 8.5 5.2 4.3 JC- '-v4>. ***., /fc*. +***} "'i '-V..- - V.'T WCNordln/jbg . 151630AA