Document npoNX8DbrkE9wNDVpe7oGZOKz

vm rn v Versar Inc , w/encls (?) OPTS 6 2 0 3 5 p c b (Fires) -- ------- File Wr it te n Comm. Oecember 14 1983 Ms. Denise Keehner Chemical Regulations Division Office of Toxic substances U.S. Environmental Protection Agency Room 341, East Tower Waterside Mall Washington, D.C. 20460 Subject: PCB Capacitor Explosion 1n Finland Dear Oenlse: I am enclosing several writeups of the events surrounding an explosion of PCB capacitors /that occurred In Finland on August 2 1982. I just received these from Dr. Dlncler of Zurich Insurance In Zurich, Switzerland. Items of major Interest Include: Analytical results* Indicating that about 10X of the TCOFs were 2,3,7,8-TCDF. Cleanup methods used and protective clothing for workers. Reoccupancy criteria: ,100 yg/ma PCBs 100 ng/m3 total furans 10 ng/m3 2,3,7,8-TCDF Medical surveillance program and results. 1* > i 1 I do not see anything In these reports that Is surprising In light of what we have seen and experienced 1n One Market Plaza and Binghamton. . Apparently, banks of capacitors can act Just like transformers. Please let me know 1f you have any questions concerning these reports. Very truly yours, Robert A. Westln RAW/lg Senior Chemical Engineer 715C-75 Enel: Ruohlo, V. "On the Brink of Catastrophe." Industrial Insurance. 1983. Pp. 8-13. Elo, O.A. and P. Vuojolahtl. "Capacitor Fire 1n a Paper Mill at Imatra, Finland." undated m anuscrlpt. NV 036931 0350 VERSAR CENTER P.O. BOX 1549 SPRINGFIELD, VIRGINIA 22151 TELEPHONE: (7031 750*3000 TELEX: 901125