Document bO5y5xDVEEdDXnR6qNY09mXk1

boo: 180D-D. R. Hansen jpr/im November 7. 1972 Attn: Purohating Agant Bl Konta Chemloal 829 W. 17th Straat Coat* Mesa, Calif. 92627 Dear Sir: Wa have bean In ooitaot with Mr. Leenerta of your oompany (Mr. Rattarman wrota on 3-3-72) oonoarnlng tha oonvaralon of your ThermInol PR system. Mr. Laanarta lndleatad Bl Monta Chemloal would bonVrt-ttfa ayatam and have 1 drum of FR fluid to raturn for lnoInaratIon. Wa have not raoalvad any further word from your oompany and It nay be your plant la atlll ualng Thormlnol FR flulda. If auoh la tha ease, wa want to rovlaw with you tha deelrablllty of dlaoontlnulng their uaa. In Miyy 1972 tha Federal Oovernment's Task Foroa on PCB'a reoommandad again*t the uaa of PCB'a aa heat transfer flulda. Enoloaad la a summary of thalr proposals. Also anoloaod Is a oopy of a Wall Street Journal artlole highlighting restrlotlve aotlon propoaed by tha FDA. In April, 1972 our Mr. Papageorge sent a latter addraaaad to "Plant Manager^ of your plant. You may want to review thla letter (oopy enoloaed) for additional baokground on this PCB sugjeot. We want you to be aware that some Federal and State agenolea are sampling plant effluents and marine life looking for, among other things, PCB ohemlatry. If PCB Is found, the agenoles tend to de termine tKT-PCB source. In light of the above, we believe you should seriously oonslder oonvertlng your Thermlnol FR system. In the event you have oonverted to a non-PCB fluid, we would appreolate knowing the disposition of the used FR oontalnlng fluids. If there are any questions on the above, please feel free to oontaot me at (314) 694-2514. Slnoerely, Paul W. Gann Projeot Coordinator Heat Transfer Fluids mo Enclosures: Federal Taak Foroe Report, W.S.J. Artlole 3/20/72, W. B. Papageorge Letter 4/72. HONS 094371