"Small companies that don't hare the re sources will be shut out" The. case of the 26 Dow workers in Texas illustrates how much time, effort and money are consumed in epidemiological Studies, and how the inherent Impredskm ean lead two groups to draw different, conclusions in a single situation.

The Society is a member of the leading code writing bodies in tue United States, namely.

Exposure to certain industrial chemicals can lead to cancer that possibly may not appear for 10 or more years, according to National Can cer Institute specialists.

X..P. rotor last row of ahead Hading shows signs of severe water erosion on leading edge.

The common uses of commercial PCB would not normally lead to its release into the natural environment.

(Recent medical tests have shown that some construction workers at nuclear weapons plants have been exposed to beryllium, but it is unclear whether the kinds of berylli um exposures that construction workers have experienced lead to significantly higher risk for beryllium disease of the lungs.)

On a mechanical basis, spicules may abrade the skin leading to superficial and transitory irritation.

Where exact performance data are not available, this assumption is a desirable one since it leads to a conservatively large determination of the power required.

A summary of the literature leads to the conclusion that high quality can be achieved with relatively slow freezing, provided that recommendations- regarding the other, factors in thiq process of food preservation are carefully followed.

Bearing in mind recent quality control analyses of leading competi tive resins, the data in the tables show that for the first time UCC has proved manufacturing capability to produce a line of dryblend-type resins with dryblend times second to none in the industry.

In keeping with its position as a lead ing producer of vinyl chloride monomer for the merchant market only, PPG In dustries expanded its Lake Charles, Louisiana, vinyl chloride plant in 1969.

The casing shown in I, Fig. 1, consists of cast-iron pipe with lead-caulked joints enclosing the insulated steam main.

heat transfer- coefficient -for the- refrigerant ;side- isl.generally smaller than the coefficient for-the water, side, the addition of fins on:the refrigerant,side leads to compact.designs and to appreciable improvement in performance.- i - .

inyl Chlori INDUSTRIES In keening with u> position a' a lead ing producer of vinyl chloride monomer for the merchant market only.

., Inc, Mallinckrodt Chemical Works Eastman Kodak Company Union Carbide Corporation National Lead Company Wyandotte Chemicals Corporation- ATTENDANCE AND ACTIVITIES Chairman S.