PBM21.6785 EPA/625/1-85/017 September 1985 OPERATION AND MAINTENANCE MANUAL FOR ELECTROSTATIC PRECIPITATORS by PEI Associates, Inc. 11499 Chester Road Cincinnati, Ohio 45246 Contract No. 68-02-3919 Project No. 3587 EPA Project Officer Louis S. Hovis Air and Energy Engineering Research Laboratory Research Triangle Park, North Carolina 27711 AIR AND ENERGY