Taking Advantage of OWS Cleaning / Waste Minimization Opportunities Presented by: Enviremedial Services, Inc.

Typical OWS Pumping Process Pumping Process Begins with Portal-to-Portal Pricing All Waste Hauled Off - Including Large Amount of Water Drivers are not OWS Experts Separators Often Not Fully Cleaned / Recharged Properly No Operational or Compliance Inspections

Typical Pumping = Base Administrative Challenges Base Responsible for Many Areas of the OWS Cleaning Process – Determining Cleaning Status – Scheduling Cleanings – Administrative Paperwork Including Manifesting OWS Cleaning Often Part of Larger Hazardous Waste Contract

Alternative Approach: OWS Management / Recycling Waste Minimization Opportunities: Up to 98% Reduction in OWS / Grit Trap Waste Hauled Off Substantial Decrease in Use of Fresh Water Most Sediments Can be Reutilized for Landfill Cover Hazardous Waste Generator Taxes Lowered Savings of Environmental Funds Government Personnel Time / Administrative Savings Firm, Fixed Pricing Allows for Stable Budget Little to No Transportation Costs

OWS Cleaning / Recycling Process

Cleaning / Recycling Process Inspection of Unit

Recycling Unit Arrives On-Site Cleaning / Recycling Process Oil / Fuel for Recycling or Disposal Sediment for Reuse or Disposal To Next OWS Site Effluent is Pumped from OWS into Recycling Unit Recycled Water will be Returned to OWS 1 Recycling Process in Unit 2 3 4

Scheduled or Unscheduled Maintenance Return Recycled Water to OWS Recycle Fuel / Oil Transfer Sediment for Cleaning Recommend Repairs Cleaning / Recycling Process

Sediment Remediation

Average Waste Hauled Off per 1,000 Gallon OWS (Sediment Not Treated On-Site) Typical Pumping 1,000 Gallons Recycle Process 50 Gallons

Typical Pumping 1,000 Gallons Recycle Process 30 Gallons (Sediment Treated On-Site) Average Waste Hauled Off per 1,000 Gallon OWS

OWS Waste = Large Amount of Total Hauled Waste USMC Camp Pendleton: OWS Waste = 87% of Total Waste Hauled Off Base On-Site Treatment Reduced That Waste by 97.6% US Army Reserves: 83% Waste Min 1st Year Through Recycling US Army Fort Bliss: Large to Small Generator Status Elimination of 374 Truck Trips

Waste Minimization CAMP PENDLETON 08/99 to 04/08 Volume: 2,633,285 gallons Volume: 2,633,285 gallons Water Cleaned 2,390,690 gallons Water Saved 4,781,380 gallons (ESI saves 2 gallons for each gallon processed: Water that is not hauled off and fresh water not needed to refill OWS) Water Cleaned 2,390,690 gallons Water Saved 4,781,380 gallons (ESI saves 2 gallons for each gallon processed: Water that is not hauled off and fresh water not needed to refill OWS) P2 Waste Minimization: 99% P2 Waste Minimization: 99% Last page of 22 page report detailing ESI OWS Management Savings throughout contract period.

Minimizing Waste Achieves Real Dollar Savings Site:Waste Min: US Army Fort Bliss: 100.0% USMC Camp Pendleton: 98.9% Pt. Mugu Naval Base: 93.4% Oakey Army Aviation Center, Australia: 92.5% US Army Reserves: 89.6% March Air Force Base: 87.9% CA Air National Guard Fresno: 87.3% Royal Australian Air Force: 87.1% Port Hueneme Naval Base: 83.2% 32nd Street Naval Base: 79.0% North Island Naval Air Base: 74.4%

Financial Savings Budgetary Savings Include: Disposal and Transportation Fees Oversight of OWS Systems OWS Water Recycled Fill Dirt to Base Landfill Properly Maintained OWS Systems Less Manifesting Lowered Hazardous Waste Generator Tax Firm, Fixed Pricing - 1 Time or 20 Times

Financial Savings Typical Annual Savings Using OWS Recycling: 30% - 60%

Financial Savings $180,000 Saved 1st Year OWS Management Contract US Army Reserves Calculations $250,000+ Annual Savings USMC Camp Pendleton Estimate

OWS Management = Good Relationships Help Meet Base-Wide P2 Goals Through OWS Program 1 Time or 20 Times: Firm, Fixed Rate = Better Quality Service Well Trained, On-Site Staff Ability to Recognize and Diagnose Malfunctioning OWS Quick Emergency Response Time Ability to Treat Other Waste Streams Other OWS Management Benefits

Summary OWS Management Presents Waste Minimization Opportunities Traditional Pumping Not Environmentally Friendly OWS Management Alternative: Reduces Waste Recycles Saves Money Additional Benefits Include: Improved Inspections Early Detection of Potential O&M Issues Improved Record Keeping Improved OWS Performance