This information will serve as a baseline further indicated studies and activities leading to the dcvclopmen good practices in human relations in industry.

Screen strainers are frequently installed in the liquid line piping before solenoid Valves and expansion valves, as well as before regulating valves in water lines leading to water cooled condensers.'

The inadequate blood supply and oxygen deficiency may lead to tissue death or gangrene.

Lack ' of proper evaluation, or improper installation may lead to unsatisfactory ' results; Special attention must be given to vapor barriers as outlined in C Chapter 10.

It can also cause annoying whistling at door openings and lead to serious complaints in hotels and offices.

lOOOSti 905994 Naming and Preparation of Aroclor Compounds Benzene Bubbled througb molten lead Biphenyl and Terphenyl Mixture (Aroclor 1200 Series) 1221,1232, 1242, 124S, 1254, 1260 Chlorinated Terphenyl; (Aroclor 5400 Series) 5442,54 60 Note: The last two digits in a numbered series refer to tbe degree of chlorination.

In a still greater number of mines, the dust produced during leading and transportation is not being allayed effectively.

A similar analysis for Lincoln, Nebraska' leads to somewhat higher sol-air temperatures than the clear atmosphere values given in Table 9 because of the higher drybulb temperatures.

Access doors of convenient size should be provided in the sheet metal connec tions leading to and from the filters. 4.

nissing, inadequate or out on. and hoists, ndling. cts, leading to numbness tc., were seen in a few in- letal, wire ropes, etc.

Lead me into the land obimnghfness.

ndPr;ri,lt~Llfe[ frequently leads to marked shortness of breath based on fear.

It would be unreasonable to expect the Bureau to endorse Aroclor or any other E.P. lubricating agent which may be regarded as being safe <r relatively safe for the subject purpose as such endorsement would easily lead to complications rela tive to the position of competitive manufacturers of such agents.

The oil industry is trying to solve this problem, which is now apparently becoming a serious one, and the idea that they are taking up is that of using either tetramethyl lead itself or a mixture of TML and TEL.

These cycles and other factors lead to a periodic variation in the instantaneous rate of heat flow into the weather surface, and a related periodic variation in the rate of heat flow into the air conditioned space.