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MAP20070020568Mers, François deThe various sources of PCB exposure in railway repair shop workers / by François de Mers. — Ottawa (Ontario) : Occupational Safety and Health Branch, Technical Services Division, 1993149 p. ; 29 cmSumario: Introduction -- Objectives of Labour Canada's investigation into sources of PCBs -- Characteristics of contaminant emitter sources -- Scale of the sampling program and the issue of variability -- Presentation of findings and discussion (PCB levels in oils, greases and lubricants. PCB levels in dust from the ground) -- Presentation of findings and discussion (continued) (PCB levels in paints) -- Conclusion -- Bibliography -- Appendix A, B, C, D, E, F, G1. PCB. 2. PCDF. 3. PCDD. 4. Muestreos. 5. Contaminantes químicos. 6. Higiene industrial. 7. Ferrocarriles. 8. Pinturas. 9. Análisis de riesgos. I. Canadá. Occupational Safety and Health Branch. II. Title.