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February *, 1966 Nr.

NATIONAL ACADEMY OF SCIENCES NATIONAL RESEARCH COUNCIL DIVISION or CH1MISTXY AND CHEMICAL TSCHNOLOGY 2101 Couiinnioti Av, WufcUigtoo IJ, D.

March 31, 1964 Ev, linraormonn Kysionlo Inetltut Celconxinchen, Oeraany > Eoar flr.

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bvnh/akv The Government Chemist, The Government Laboratory, Cornwall House, Stamford Street, LONDON, S.E.l. 20th February, 1967 Bear Sir, We are currently Interested In organochlorine residues in animals and birds, and have noted a reference to the work of Simmons and Tatton of your laboratory* They are stated to have examined human gall stones and found such residues in 28 patients from two hospitals. 1 would be glad to have any further information that is available concerning these experiments and on any similar work you nay have carried out in the wideffield of our interest.

Jack T.

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Monsanto {H7MVCAIS Lto fRON (UOCATIOI u M.H.

* wf< PLAINTIFF'S EXHIBIT INDUSTRIAL HYGIENE FOUNDATION OF AMERICA, Inc.

196 CHAPTER 13 1960 Guide Table 12 ....

472 CHAPTER 46 1960 Guide graphical location, since areas requiring fewer hours of op eration on the cooling cycle will require more hours of opera tion during the heating cycle.

ITT I 120 1960 Guide Frick Co., *215 Prmul Steel Teak Co., *210 York Corp., Sob.

172 CHAPTER 12 1962 Guide And Data Book Table 2----- Average Monthly and Yearly Degree Payi for Cities in the United States and Canada (Base 65F) (Confmuesfl Yoarj No. 6 Avq.