Document qmDNLZZX6poDJwMB3DQzJKOdM

Jack f. Barrett, Had!cal Bepartaant February 19# 1970 i. Iaria, BIMO C. 1m Clay, CCLAY w. B. papagaorge WPAPA I hava two nota* of Interest in connection with the PCS probleu. Fl_rt, Hr. Clarence . ELaesan, Technical Diraotor of tha Illinois Sanitary Matsr Board (Zllinoia pollution regulatory agency) callad to diaouaa tha PCS problen which had baan brought up at a Lake Hlohlgan atata pollution Boating. Aa an aftenath of tha Lake Hlohlgan conference, regulatory aaatiags ara balag hold by tha atata pollution authorltiaa batvaan tha atataa of Wisconsin, Michigan, Indiana and Illinois. At tha aoat raosnt aaating of this group bald two uaaks ago In a diaeuaaion of data daralopad in tha on-going Laka Hlohlgan atudy oonesmlag ODf, tha PCS problaa uaa nantlonad. At that tiaa tha Taohnioal Sacratary of tha Hlohlgan Water Baaouraaa Crw--laalon, Hr. Balph Purdy, aantlonad to Hr. Klaasen that Monsanto knaa all about this problen, haaoa tha call. I gava Xlaaaan tha ganaral party lino eonoaming PCS, lta industrial uaaa and its analysis. Tha wbola sub ject brings to Bind that us hare proadsad aany of thaaa pollution authoritlas as sail as aererol eustooars sons data daralopad la sur PCS raaaarah progress. It la lapsratlYS that a dsrslep aoac data for diatrlbutiea to thaaa aganelas if for no othor reason than to keep faith. I strongly rcwnananl thst us gst ths fish toxicity tests and ths dita ready for distribution so aoon ss possible. Tha saoond Issue that hss srlsan is in aaaiSftatlon with trade nun sataria la that contain large assents of rcS's and haw Inquiries snst ba anauarad on tha toxicity of thaaa natsfcisls. At tha present tins ue ara holding a request fron Carl Clay to diaouaa ths toacioity of Tuxbinol 153 (formally NCS 153) with Tans l&staii Oas frsnsBissiott Corp. in leusten, Vases. Vusbinai 153 is principally PCS'a. Tha question that arises is da us tall this oustonar that this produet is o nap need af principally PCS with aens phosphate aster and than giro TRAN 002552 HARTOLDMON0041494 V. B. Papageorge February 19 1970 Page Two the customer the toxicity and safe handling character- lstlcaT Or, do we wait until the ouatomer ia informed by the general PCS information program? In the case of the Texaa Baatern request, they want to know what the decoeq>osltlon product! of Turbinol 153 would be. Ve cannot give thia information to the customer without revealing that it la principally a ohlorlnated organic. JTOtJu Jack T. Oarrett "0ZSSi l HARTOLDMON0041495