Document B8ajZkgzpQ5m0zxpaL1JNrOd4

u.v.h. Manly, london Jrd Maroh, 1967 Organochlorlne Healduea WRlyAHW J.C. Hawkoa, Huabon D. Wood, Bruseils Tou reoently supplied ms with mall Maples (10 mgxvs. or so) of substantially pure Iroclor components for transmission to Mr* A* hioi.axdson, of Shall Chemicals, Be now says that none of these substances is similar to ths unidentified organoohlorins residues which are very widely spread e.g. in sea birds. His Government laboratory Is slso concerned with this general problem and have found that there is some correlation with a sample of Aroolor Basin (no other distinguishing narks on the label!). As you will know the interest in this problem derives from tho work of Jensen and a eoareaongering article in the Swedish press in whioh a highly chlorinated biphenyl was indie ted. To help ths three sets of workers end, st the same time, do all we can to clear Aroolore 1 would like further sots of the samples as supplied to Richardson to go tot- Mr. Soren Jomen, Institute of Analytical Chemistry, University of Stockholm, Stockholm 50, Sweden. Hr. J.O'G. Tatton, laboratory of th* Government Chemist, Cornwall House, Stamford Street, london, S.S.l. Additionally I would like to include small simple* of Aroolora 5460 and 4465 with eaoh of the two sets, and to have similar small samples of thsso Aroolor resins to go tw Mr. A. Riohardson, Shell Chemicals, ftunstall Laboratory, Sittingboume, Sent. in ths osse of tho ssmples for Jsnsen would you sey that they are sent at ths request of Mr. D, Wood of our M,E. Brussels Offioe. In ths ease of th* other samples would you Indicate that they are sent st fly request. EXHIBIT WBPM-15 MQNS 097917 D.V.N. HAROT TOWOLDMON0003235 WATER_PCB-00000257