1 ACGIH, warned against using these things as legal Page 2073 2 standards. 3 They put together what they thought were 4 reasonable recommendations, but not as fine lines 5 between safe and unsafe conditions. 6 These values were not to be values that if 7 you exposed above it, would develop disease, but if 8 you exposed below it, you would not develop disease. 9 Q Did the five million particles per cubic 10 foot have any application to carcinogens?

Mr C ***osior, May 13, 1937 DunurUi ifvmc-wn tr Mr.

NEG.

JoKns-Marwille = Twenty-Two East Fortieth/Street New York.N.Y.

I COPT THIS SARANAC LABORATORY FOR THE STUDY OF TUBERCULOSIS OF THE EDUARD L.

4 Jrh. 3. faduur.

THE BULLETIN OF THE i AMERICAN CERAMIC SOCIETY Volume 16 JULY, 1937 Number 7 For story of Mr.

THE BULLETIN OF.

American Society of Heating and Ventilating Engineers Guide, 1930 temperature, dew-point temperature, and dew-point differentials for 50 per cent relative humidity illustrates this relationship most clearly: Dry-bulb temperature.............. ................ 65.0 Dew-point temperature................................... 45.8 Difference between dew-point and drybulb temperature........................................ 19.2 70.0 50.5 19.5 75.0 80.0 85.0 90.0 55.25 59.75 64.25 68.75 \ 19.75 20.25 20.75 21.25 It will be seen from an inspection of this table that the difference between the dew-point temperature and the room temperature is approxi mately 20 deg. throughout this range of dry-bulb temperatures or, to be more exact, the differential increases only 10 per cent for a range of practically 25 deg.

American Society of Heating and Ventilating Engineers Guide, 1930 .

American Society of Heating and Ventilating Engineers Guide, 1930 Arr. 3.

American Society of Heating and Ventilating Engineers Guide, 1930 14.

American Society of Heating and Ventilating Engineers- Guide for the growth of each variety of mildew, but this growth can h tS inhibited by depriving the mildew of water or by the use of ch treatments.

ofAmerican Society Heating and Ventilating Engineers Guide, 1931 AUSTRALIA Melbourne-- Cooper, T.

American Society of Heating and Ventilating Engineers Guide, 1932 Table 24.