The piping system will consist of and 3/4 inch carbon steel headers leading from the bottle rack to areas within the plant.

He also showed peak lead levels of approximately 4.5 ng/lG during blowing operations.

Nature Vol.

C05FICEFTIAL Subject to Protective Order in Hoss v.

A study was conducted at 20 gasoline bulk marketing terminals to determine benzene exposure levels to both Gulf and outside carrier personnel operating at these facilities.

Uses of/^oclbr&-^T' which lead to environmental contamination and 6annot be controlled will be discontinued.

A provision in lead to such injur/.

He could not comment on the statistical significance of these results, or speculate as to mechanisms leading to this lowered fertility.

EPA is con cerned that additional strain on disposal facilities might lead to improper disposal of more highly contaminated PCB wastes while the agency was concentrating on containing the lower-level contaminated wastes. .The draft preamble concludes that reducing the cutoff level to 10 ppm would increase the economic impact of the regulation unduly, would create serious technological problems for the organic chemical industry, and would place an excessive burden on the already strained PCB disposal system

This may lead to an overreaction to assume that it 16 necessary to Immediately eliminate the use of all asbestos materials.

Q I will represent to you this isknown as the -51- cr BARGE Triparte agreement which led to the assignment of the patents and trademarks relating to Limpet and the head licensing agreement leading to the distribution of Limpet from Armstrong Contracting and Supply to Atlas, the Atlas Division of Dell.

He could not comment on the statistical significance of these results, or speculate as to mechanisms leading to this lowered fertility.

Six,--I could nor help feeling that your otherw-.se well-balanced leading article on this subiecc (30 March, p. 590) tended to oversimplify two problems.

The cr'.v I f near hr fl 2 r : side the unit rcinr could conceivably lead is the igniting of h could only happen if the arcing occurred out:lv no standard test to evaluate this sort of risk; CONFIDENTIAL G 00414 4 '* " C arl Blechschm June 12. 1974 Page 2 .

." - We suggest that manual venting to the atmosphere from process vessels or storage tanks be permitted in extreme emergencies where containment is not logically possible and massive sudden release from relief valves might lead to a more hazardous condition.