Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL * * * decisions and treads oo t=3 SEPTEMBER, 1954 (Vol. 18, No. 9) INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE 4400 FIFTH AVENUE PITTSBURGH 13, PA. 03119867 jnOuS^1* - nrGitNl t o ^ HO A tlON Volume 1 6 FOUNDATION FACTS September, 1954 Foundation Facts is a monthly news- ssued to industrial concerns Holding mem oersn 10 m Industrial Hygiene Foundation.

CONFIDENTIAL Approved.

274 CHAPTER 13 1954 Guide tion of heat to the enclosure by any one or all of the mechanisms of conduc tion, convection, and radiation.

418 CHAPTER 17 1954 Guide % AVAILABLE DRAFT FOR THE RESIDENTIAL CHIMNEY Equations 3 and 4 cannot readily be used for computing the available draft for residential chimneys because of the relatively greater importance of friction losses, cooling of the gases, and soot deposits in small chimneys.

624 CHAPTER 27 1954 Guide tractors National Association, Second Edition, 1951).

844 CHAPTER 37 1954 Guide nized that, heat storage devices may be used with any of these systems involving either a single or a dual heat source.

868 CHAPTER 38 1954 Guide - air being processed is determined by the cooling water temperature and T the amount of moisture removed in the equipment.

Insulation Infra Insulation, Inc. 525 Broadway, New York, N.

122 CHAPTER 6 1955 Guide-: EFFECTIVE TEMPERATURE INDEX AND COMFORT ZONES 1 There is no precise physiologic observation by which comfort can be S ||jevaluated.

138 CHAPTER 7 1955 Guide||f . . .

148 CHAPTER 7 1955 Guide -S Based upon the effectiveness of activated carbon commercially and in-|| dustrially to adsorb odors, individual adsorption units have been used successfully.

174 CHAPTER 9 1955 Guide- .> between zero and 140 F can be estimated by considering a straight-line^^ relationship between the two values given.

318 CHAPTER 13 1955 Guided -fp As the room volume is 40,000 cu ft, the air changes per hour will be 76,500/40,000^ 1.91 which is more than one air change

386 CHAPTER 15 1955 Guuieff r---- -t 0 i-i 2 i i i-i i i i i "i in i 4 68 10 12 14 GROSS OUTPUT - HUNDRED FEET STEAM RADIATION i 16 .

902 CHAPTER 39 1955 Guide 3.