References

1. Silent Spring, Rachel L. Carson, Houghton Mifflin Company, Boston, Mass., 1962, page 15.

2. State Air Pollution Control Laws, Revised Addition, S. E. Degler, The Bureau of National Affairs, Inc., Washington D. C., 1970, page 1.

3. Ibid., page 36.

4. G.E. Ziem and B.I. Castleman, "Threshold Limit Values: Historical Perspective and Current Practice", J. Occup. Med. , 31(11): 910 (1989).

5. Ibid.

6. B.I. Castleman and G.E. Ziem, "Corporate Influence on Threshold Limit Values", Am. J. Ind. Med., 13: 531 (1988).

7. Ziem and Castleman (1989).

8. J.C. Robinson, D.G. Paxman, and S.M. Rappaport, "Implications of OHSA's Reliance on TLVs in Developing the Air Contaminants Standard", Am. J. Ind. Med., 19: 3 (1991).

9. S.A. Roach and S.M. Rappaport, "But They are not Thresholds: a Critical Analysis of the Documentation of Threshold Limit Values", Am. J. Ind. Med., 17: 727 (1990).

10. J. R. Goldsmith, "Perspectives on What We Formerly Called Threshold Limit Values", Am. J. Ind. Med., 19: 805 (1991).

11. Threshold Limit Values for Chemical Substances in the Work Environment, American Conference of Governmental Industrial Hygenists, Cincinnati, Ohio, 1994, page 2.

12. J.C. Robinson and D.G. Paxman, "The Role of Threshold Limit Values in U.S. Air Pollution Policy", Amer. J. Ind. Med., 21: 383 (1992).

13. Environmental Protection Agency, " NATICH Data Base Report on State, Local, and EPA Air Toxic Activities", U.S. Environmental Protection Agency, Research Triangle Park, 1989, pages 3-2 thru 3-5.

14. S.T. Dydek, J. Wiersema, J.H. Price, "Risk Assessment in Health Effects Review of Air Permits in Texas", Proceedings of the Air Pollution Control Association Annual Meeting, 85-34.3, Air Pollution Control Association, Pittsburgh, PA., 1985. 15. J.H. Price, J. Wiersema, T. Dydek, and J.P. Henry, "Texas Procedure for Assessing Air Toxics", Symposium on Setting Air Toxics Standards, Lone Star Chapter of the Society for Risk Analysis, Houston, Texas, 1987. 16. Ibid.

17. Dydek, et. al., 1985.

18. Price, et. al., 1987.

19. Ibid.

20. J.H. Price, J.M. Wiersema, S.T. Dydek, B. Rogers, "New Source Review in Texas for Noncriteria Air Contaminant Impacts", Proceedings of the Air Pollution Control Association Annual Meeting, 85-63.5, Air Pollution Control Association, Pittsburgh, PA. 1985.

21. Price, et. al., 1987.

22. Ibid.

23. Toxicology and Risk Assessment Section Staff, "Effects Screening Levels (ESLs) List", Texas Natural Resource Conservation Commission, Austin, Texas, April 1, 1994.

24. Toxicology and Risk Assessment Section Staff, "Effects Evaluation Procedure", Texas Natural Resource Conservation Commission, Austin, Texas, 1994.

25. Price, et. al., 1985.

26. Dydek, et. al., 1985.

27. J. M. Wiersema, Texas Air Control Board, Austin, Texas, personal communication, January 18, 1989.

28. Toxicology and Risk Assessment Section Staff, 1994.

29. C.L. Soskolne, "Rationalizing Professional Conduct: Ethics in Disease Control", Public Health Rev., 19: 311 (1991/92).

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