Hazardous Waste Operations & Emergency Response (HAZWOPER) 24-Hour Training Manual (1998) Introducing...The New and Improved Hazardous Waste Management Program for NPS (ESSD Update, Vol. 2 Issue 4, October 1992) Park-level Model Environmental Management System (Model EMS) (undated) Solid Waste ...
With the 1933 reorganization, historic preservation became a major responsibility of the National Park Service. Two years later Congress confirmed the Service's role as the leading federal agency in this field in the Historic Sites Act of August 21, 1935— the most significant general preservation ...