Barber has already determined that the Vinyl Chloride Standard and the events leading up to its promulgation should be re-examined and has advised EDF accordingly.

A trabecular arrangement results from' loosening of the lobular plate arrangement by dilatation of sinusoids, leading to primary peliosis.

Exposure to ashe-tos may lead to further complication. c e.. heart milmc. cancer of the lung, or. rarely. !

During this time period, I would conclude that the medical literature might lead the reader to the opinion that the association between asbestosis and lung cancer was now "probable".

Office of Import Programs, tnt Doe.73-91ft0 FSed lS-30-7XS;M ut| DEPARTMENT OF HEALTH, EDUCATION, AND WELFARE Food and Drag Administration POLYCHLORINATED BIPHENYLS Availability of Final Environmental Impact Statement The Commissioner of Food and Druga pubUshtd a notice of proposed rule mak ing in the Fxokial Racism of March 18. 1972 (27 FA. 5706), limiting the sources by which polychlorinated biphenyls (PCB's) may contaminate animal lead, food, and food-packaging materials dur ing manufacturing, handling, and stor age.

We believe that we have experienced a letdown in safety awareness which has lead to an increased frequency of injuries among our people.

Lead poisoning.............................. .......................

Evidence suggested that a continued increase of PCBs in the environment could lead to undesirable long-term effects

PARAMETER Volume 1,400,000 gal/day pH b-9 Phenol 2 pounds per day (ppd) COD 4,700 ppd TOC 3,800 ppd Lead 4 ppd Copper 1.7 ppd Chromium 0.2 ppd (?)

Specific nature of operations that could lead to VCM exposure 1.

Tto seed far AT-SB-to will to i IIMmM sad 1T4M0 will to eeaaattally eliaiseted* Tto iollovtag lead laapatoa will to aliai> tadt M 03 20 to 03 a S3 08 to sad tod rwdsstiea la ear aaaga af M to AS* Oar swage af M 07 SI vUl to refeeed If appraslaately 23,000 panada toaease af this atoaga* Ceffeyrille will eapplr- lf/to if to dagaet 31* 1A71 tot va pias to tom aajer naagee aaamrtod to to F hy to*, 1971.

Lead Operators 3.

In some cases, con tinued exposure will lead to severe reactions, Studies and laboratory tests have shown the #8711 respirator is effective in removing isocyanate vapors generated during painting.

., lead, mercury, etc.).

Dividing 5 ppm by this concentration-factor-of 75,000 leads to a maximum tolerable stream * .concentration of 0*07 ppb1, Buckley then used an.additional safety jfactor of 7 to^ arrive at the proposed stream standard of u*ui p p o . micxley recognizes that he "couldn't go to court with the number 0.01" but that this nunber would probably be retained in the EPA recommendation and would subsequently be treated by EPA as a goal for the future, with no specific date set for its attainment.