Pcb In Caulking Compounds

Demolition of structures containing pcb caulking compounds.

Pcb in caulking compounds. These plans outline epa s research on pcbs in school buildings and an evaluation of mitigation methods and source characterization on pcbs in caulk. They also were mixed with paints as a cutting agent and in this form can be found in quantity at some federal facilities. Pcb containing fluorescent light ballasts flb in school buildings. Epa is also investigating methods to reduce or eliminate pcb emissions in schools.

A polychlorinated biphenyl pcb is an organic chlorine compound with the formula c 12 h 10 x cl x polychlorinated biphenyls were once widely deployed as dielectric and coolant fluids in electrical apparatus carbonless copy paper and in heat transfer fluids. Gesundheitswesen 60 357 362 fromme h baldauf am klautke o piloty m bohrer l 1996. Prior to demolition of concrete structures built prior to 1980 any caulking compounds in the structure should be tested and those containing pcbs removed. Because of their longevity pcbs are still widely in use even though their manufacture has declined drastically since the 1960s.

A guide for school administrators and maintenance personnel this page provides information to school administrators and maintenance personnel on the hazards posed by pcb containing flbs how to properly handle and dispose of these items and how to properly retrofit the lighting fixtures in your school to remove potential. Without testing it is unclear whether caulking in a given building may exceed epa s definition of pcb bulk product waste of 50 parts per million ppm or greater. Polychlorinated biphenyls pcb in caulking compounds of build ings assessment of current status in berlin and new indoor air sources. You may need a pdf reader to view some of the files on this page.

Available data reviewed by dph suggests that caulking manufactured in the 1950s through 1970s will likely contain some levels of pcbs. Pcb caulking was applied in schools churches government buildings commercial and. To date a total of 209 individual pcb compounds have been identified many of these have not been subject to the rigorous. The demolition process may give rise to two types of exposure that from the pcb caulking compound itself and that from the dust.