ROBERT HAWTHORNE, INC. (CONTRACTOR) PERFORMED AS- BESTOS REMOVAL ACTIVITIES AT 3 FACILITIES IN PHILADELPHIA. NEITHER HAWTHORNE NOR THE OWNERS OF ANY OF THE 3 FACILITIES LISTED NOTIFIED EPA (OR PHILADELPHIA DEPT. OF PUBLIC HEALTH AIR MANAGEMENT SERVICES- AMS ). VIOLATION OF NOTIFICATION REQUIREMENT; ALSO ONE WORK PRACTICE VIOLATION UNDER NESHAPS ASBESTOS REGS.