Document 3e2eD4EnZv3gM5bVEex07O5Yy

I) boot 0. H. BBCH70LD - CHICAGO July 29. 1970 Mr. A. Kobe r of Adhoi k Coatlnga Chloago, Illlnola 60620 Dear Mr. Kehes I have baan requeoted by our Mr. D. H. Baehtold to provide you with aone lnforaatloa conoernlng our produot Aroolor 5460. Plrat, Aroolor 5460 la a polyohlorlnatad tar phonyl aa oppoaad to a polyehlorlnatad bl phanyl. TRerofore it la not affaotad by our with drawal of PCB'a fron tha narket plaoa. Va fully Intand to oontlnua aalaa of this notarial. Saoond, Aroolor 5460 doea not appaar to dlaplay tha toxlo oharaotar that la axhlbltad by aona of tha PCB'a, particularly Aroolor 1254 and Aroolor 1260. PUrthar, In aplta of paralatant attenpta to ldantlfy thla notarial In tha envlronnent, wa hava not baan abla to do ao. Thla la In aharp oontraat to our ability to laolata and ldantlfy PCB'a. Por thaaa reaaona, wa do not ballava that Aroolor 5460 flta Into tha category of an anvlronnantal contanlnant. If Z can provlda additional Infomatlon to you, pleaae faal fraa to oall. Vary reapeotfully. WSCtvw V. 3. Clark Senior Produot Spaelallat MQNS 089690