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&wfiADVXAJ&LLI FA<2 3 & 3 I ) Date of Birth; 2 June 1921 Date Hired: 23 Hove&ber 1964 Date Separated; 26 f&rch 1971 Date of Death: 16 July 1973 Cause of Death: Carcinoaa of Lung Per His Wife vas employee as a Design Supervisor in our Project Engineering Croup.

MATERIAL SAFETY DATA SHEET Attach!

Subject Physical Res arch Laboratory THE DOW CHEMICAL COMPANY BENZENE P01BONING T* Dr.

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Oil, Chemical and Atomic Workers International Union ANTHONY MAZZOCCHI.

Research Laboratory Standard Data American Society of Heatinc and Ventilating Engineers Result of Cooperative Work With D.

Sr.Louis /^v Public ((Si) Library \5s7 T 1.1 Ty.r* , American Society of Heating and Ventilating Engineers Heating ventilating conditioning guide.

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American Society of Heating and Ventilating Engineers Guide, 1925-26 CONDENSATION RETURN PUMPS Condensation return pumps may be of the following types: a.

American Society of Heating and Ventilating Engineers Guide, 1926-27 use of a trap at the junction of the hood and branch pipe is permissible, provided it is not allowed to fill up completely.

American Society of Heating and Ventilating Engineers Guide, 1928 separating tank is generally used.

American Society of Heating and Ventilating Engineers Guide, 1928 Schools: Classrooms..... .................................. 2.0 cu. ft. per minute per square foot of floor area Assembly rooms............................. 1.5 cu. ft. per minute per square foot of floor area Gymnasia.... ....... 1.5 cu. ft. per minute per square foot of floor area Picture Machine Booth--...... ..... 1.5 cu. ft. per minute per square foot of floor area Dining-rooms--.......................... 1.5 cu. ft. per minute per square foot of floor area Kitchens.... ................... 2.0 cu. ft. per minute per square foot of floor area Corridors.......................................... 0.5 cu. ft. per minute per square foot of floor area Wardrobes and lockers................ 2.0 cu. ft. per minute per square foot of floor area Toilet, Bath, Etc.....'...................... 2.0 cu. ft. per minute per square foot of floor area Theatres: Seating spaces--.............. -............. 2.0 cu. ft. per minute per square foot of floor area Toilets, etc....................... 2.0 cu. ft. per minute per square foot of floor area Hotels: Assembly rooms....... ............ 2.0 cu. ft. per minute per square foot of floor area Dining-rooms.................................. 1.5 cu. ft. per minute per square foot of floor area Kitchens................................ :......... 4.0 cu. ft. per minute per square foot of floor area Hospitals: Wards--........................................... 1.0 cu. ft. per minute per square foot of floor area Dining-rooms.................................. 1.5 cu. ft. per minute per square foot of floor area Toilets........................ ..................... 2.0 cu. ft. per minute per square foot of floor area Kitchens-....... ........... 4.0 cu. ft. per minute per square foot of floor area Air temperature is second in the list for the reason that it has been proved by practically all of the accredited experimenters that over-heating is more detrimental to the quality of ventilation than any other one thing.

American Society of Heating and Ventilating Engineers Guide, 1929 Table 5.

American Society of Heating and Ventilating Engineers Guide, 1929 On new jobs it is advisable wherever possible to drain condensation directly to sewer during first week of operation, thereby preventing pass age of grease and dirt to the boiler from the system.