Authority: Corporate HSE Director Issue Date: December 15, 2003 Scope: Elkhorn Holdings, Inc., All divisions, districts and areas, including Elkhorn Construction, Hoad, Dynamic Services, Eagle Pipeline and ProSafe. Next Review Date: December 15, 2009 Purpose: This document is to define the procedure for identifying activities performed by Elkhorn Holdings, Inc. and all divisions and subsidiaries. It is also used to identify the environmental risk associated with these activities. Key Responsibilities: HSE Director: Facilitate annual review with operations personnel to identify Elkhorn Holdings Inc. activities and associated environmental risk. Will receive information concerning changes in activities performed and modify the EMS to fit the new or changed activities. Maintain a current list of activities and environmental risks. District Managers, Area Managers and Division General Managers: Identify and provide staff from each division, district and area to participate in the annual review of activities and associated environmental risks. Alert the HSE Director when there are changes in activities and/or environmental risks. Procedure: Identification of Activities and Risks: Activities are identified during an annual work session facilitated by the HSE Director. These activities shall be identified and reviewed by both management and supervisory personnel from each district, area and division of Elkhorn Holdings, Inc. Environmental risks associated with each activity shall also be identified during the work session. Special attention is provided to identify each waste stream from each activity and the activities and environmental risks are recorded on the Environmental Risk List. Minutes shall be kept for each of the annual meetings and copies of these minutes shall remain on file for five (5) years. Management Of Change: MOC: When new activities are added to Elkhorn Holdings, Inc. operation, and when existing activities change, the District Managers, Area Managers and Division General Managers will notify the HSE Director. The HSE Director updates the Environmental Risk List as appropriate based on the reported change, and evaluates and communicates any other changes needed in the Environmental Management System. Key Documents: Waste Stream Generation List: Retain last updated version for five (5) years Environmental Risk List: Retain last updated version for five (5) years Revision Log: Revision Date 11/15/03 05/15/07 12/15/08 Authority Randy M. Erickson HSE Director Walter A Jones HSE Director Walter A Jones HSE Director Revision Details Initial Version Review Review Authority: Corporate HSE Director Issue Date: December 15,2003 Scope: Elkhorn Holdings, Inc., All divisions, districts and areas, including Elkhorn Construction, Hoad, Dynamic Services, Eagle Pipeline and ProSafe. Next Review Date: December 15,2009 Waste Stream: Waste Generated Scrap Lumber Waste Paper Plastic Sheeting Used Nails Welding Rod Glass Food Waste Fiberglass Insulation Rock Wool insulation Foam Insulation Calcium Silicate Insulation Copper Slag Sand Blast Media Silica Sand Blast Media Scrap Metal Concrete Fugitive Dust Emissions Acetylene (cylinder) Oxygen (cylinder) Nitrogen (cylinder Argon (cylinder) Propane (cylinder) Adhesives Used Cutting Oil Used Lubricating Oil Used Hydraulic Oil Used Filters Diesel Gasoline Asbestos Paint Paint Solvent Cleaning Solvent Exhaust Emissions Scrap Pipe (taken out of service) Hydro Test Water Tank Sludge Fluorescent Light Tubes Lead/Acid Batteries Revision Log: Revision Date 11/15/03 05/15/07 12/15/08 Classification of Waste Non-hazardous Non-hazardous Non-hazardous Non-hazardous Non-hazardous Non-hazardous Non- hazardous Non-hazardous Non-hazardous Non-hazardous Non-hazardous Non-hazardous Non-hazardous Non-hazardous Non-hazardous Non-hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Hazardous Unknown Unknown Unknown Universal Universal Authority Randy M. Erickson HSE Director Walter A. Jones HSE Director Walter A Jones HSE Director Disposal Method Landfill Landfill Landfill Landfill Landfill Landfill Landfill Landfill Landfill Landfill Landfill Landfill Landfill Recycle Landfill Correct at source Return to Vender Return to Vender Return to Vender Return to Vender Return to Vender Approved Method Approved Method Approved Method Approved Method Approved Method Approved Method Approved Method Approved Landfill Landfill after thoroughly dried Approved Method Approved Method Correct at source Recycle If NORM is not present Approved Method Approved Method Approved Method Recycle Revision Details Initial Version Review Review Authority: Corporate HSE Director Issue Date: December 15,2003 Activities: Location New construction Scope: Elkhorn Holdings, Inc., All divisions, districts and areas, including Elkhorn Construction, Hoad, Dynamic Services, Eagle Pipeline and ProSafe. Next Review Date: December 15,2009 Activity Environmental Risk Excavation Storm water migrating off site Liquid release from hitting unknown lines Hydrocarbon gas release from hitting unknown lines Hydraulic line breakage/spill Spills from refueling Used oil disposal Used oil filter disposal Used fuel filter disposal Non-hazardous waste disposed of improperly Excessive exhaust emissions Oil leaks Ground water pumped from excavation Form Oil spill Non-hazardous waste disposed of improperly Improper disposal/recycle of scrap metal and pipe Hydraulic line breakage/spill Used oil disposal Used oil filter disposal Used fuel filter disposal Excessive exhaust emissions Oil leaks Hydro test water disposal Waste paint disposal Waste paint solvent disposal Sand blast media disposal Client product release/spill Improper disposal/recycle of scrap conduit and wire Hydraulic line breakage/spill Universal waste disposal Diesel fuel spill Improper battery disposal/recycle Used fuel filter disposal Used oil filter disposal Used oil disposal Client product/sludge disposal Waste paint disposal Waste paint solvent disposal Liquid release from vehicle malfunction or accident Scrap metal/pipe disposal Civil Mechanical Tie In Electrical Fabrication/Shop Revision Log: Revision Date 11/15/02 05/15/07 12/15/08 Authority Randy M. Erickson HSE Director Walter A Jones HSE Director Walter A Jones HSE Director Revision Details Initial Version Review Review