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References
1.Federal Register
43 , No. 247, pp. 60013 –60025 , Dec. 22, 1978 .
2.
Private communication.
3.Federal Register , No. 127, pp. 37976 –37977 , June 29, 1979 .
4.Ibid . 44 , No. 91, pp. 27334 –27375 , May 9, 1979 .
5.Ibid . 44 , No. 145, pp. 44054 –44093 , July 26, 1979 .
6.Ibid . 44 , No. 91, p. 27344 , May 9, 1979 .
7.Ibid . 44 , No. 91, pp. 27350 –27351 , May 9, 1979 .
8.Pesticide and Toxic Chemical News , pp. 7 –9 , Feb. 27, 1980 .
9.Federal Register
44 , No. 91, pp. 27353 –27354 , May 9, 1979 .
10.Ibid . 44 , No. 91, p. 27365 , May 9, 1979 .
11.Ibid . 44 , No. 91, p. 27370 , May 9, 1979 .
12.Ibid . 44 , No. 91, p. 27374 , May 9, 1979 .
13.Ibid . 45 , No. 77, pp. 26373 –26385 , April 18, 1980 .
14.Ibid . 44 , No. 100, p. 29822 , May 22, 1979 .
15.Ibid . 44 , No. 91, pp. 27369 –27375 , May 9, 1979 .
16.Pesticide and Toxic Chemical News , p. 11 , Dec. 7, 1979 .
17.
Private communication.
18.
Private communication.
19.
Private communication.
20.Federal Register
44 , No. 141, pp. 42779 –42780 , July 20, 1979 .
21.Basler Zeitung , No. 56, p. 7 , Mar. 6, 1980 .
22.
Private communication.
23.
Private communication.
24.ECETOC Good Labortory Practice Monograph No. 1, Oct. 1979 .