Credit: Gunilla Berbevi Rex;Rex Hus & Miljokonsult
PCB contaminated masonry caulk coverd with new caulking and green exterior paint on front columns at French Hill Elementary School in Yorktown Heights, N.Y. PCB- laden caulk from column was removed during renovation in 8/2007.
PCB-laden masonry caulk covered with temporary new caulk over high contact area on school wall. PCB-laden caulk above encapsulation still exposed to the environment. All caullking was eventually replaced.