1. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. Evolution of Blast Chamber Technology for Demilitarization by Mark S. Morris, President DeMil International, Inc 13921 Park Center Drive, Suite 600 Herndon, VA 20171

2. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. Convergence of Drivers Demand New Technologies Environmental Protection: Need for alternative approaches to open detonation and open burning (OB/OD) Obsolete or Unserviceable Ammunition and Threat Reduction: Reduce stores of conventional munitions Recovered CWM: Technological alternatives for recovered chemical warfare material destruction

3. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. Keys to Effective Controlled Detonation Technology Provide an important technological alternative that is proven: Versatile Effective Environmentally Protective Durable

4. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. The Donovan CDC Eliminates: Overpressure, thermal hazards; fragmentation hazards Protects against noise, soil and groundwater pollution Treats air discharges as necessary Effective for conventional ordnance, chemical warfare material, smoke containing munitions and fireworks The T-10 Transportable Model CDC for UXO Cleanup Can Detonate 13 pounds Net Explosive Weight (TNT)

5. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. CDC Flow Diagram Detonation Chamber Expansion Tank Preparation with “Donor” Explosive Treated Air Discharge l Fragments and debris contained in chamber l Detonation temp destroys organic content l Blast wave dampened l APCU as necessary to meet project and regulatory requirements Air Pollution Control Unit (APCU)

6. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. Chambers Are Sized for Different Purposes

7. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. Transportable Model CDCs for UXO Cleanup T-30 Model has a NEW of 40 lbs TNT T-10 Model has a NEW of 13 lb TNT Detonation Chamber Expansion Tank APCU Generator Expansion Tank APCU Generator

8. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. Fixed CDC Systems for Higher Productivity and Large Ordnance D-100 and D-200 provide large capacity and high productivity D-60 can be set us as either fixed or transportable system for large capacity and moderate productivity

9. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. Belgium Project Proved the CDC’s Ability to Destroy CWM Testing completed by US Army and Belgium MOD on recovered WWI CWM: 77 mm CLARK (I and II) 77 mm mustard 77 mm phosgene 81 mm smoke 81 mm white phosphorous T-10 CDC at Poekapelle Belgium Recovered CWM at Poekapelle Belgium Joint US Army and Belgium MOD report concluded CDC capable of destroying CWM shells Additional testing recommended to implement lessons learned CDC has destroyed 1000 77 mm CLARK shells to date Uses a relatively simple APCU design

10. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. TC-25 Model for Destruction of Chemical Warfare Materials Testing by US Army concluded: Each CWM item safely handled No chemical agent detected outside the system Decontamination by heat to below detection levels - no use of liquids Same CDC system can destroy chemical, conventional and smoke munitions “TC-25 CDC was demonstrated to safely and effectively destroy recovered chemical munitions with or without explosive components”, Final Demonstration Test Report, 2003

11. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. Various Munitions and Chemical Agents Destroyed in CDC Systems Munitions & Material Chemical Agents n High Explosives n Projectiles n Mortars n Mines n Fuzes n Misc. energetics n White Phosphorus n Mustard n Lewsite, CLARK n Phosgene n Smoke

12. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. CDC Environmental Testing Results Air Emissions Testing Low emission rate for Criteria Pollutants: CO (7900 ppmv) NOx (NO 2 ) (9.3 ppmv) Particulate Matter = 1.8 mg/dscm VOCs (10-20 mg/dscm) No SVOCs or energetics detected Metals: Mg (2440 ug/dscm), Mn, Fe, Zn, Al and Cu (100-400 ug/dscm) attributable to pea gravel

13. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. CDC Environmental Testing Results Solid Waste Characterization (pea gravel and Torit filter dust samples analyzed for TCLP parameters) TCLP Volatiles (MEK at 0.055, limit 200 mg/L) No detection of semivolatiles and TCLP metals RDX detected in pea gravel (0.74 mg/kg) and dust (0.069 mg/kg) Total metals in pea gravel comparable pre and post test except for increases in Cr (1.8 to 6.1 mg/kg) and Cu (3.3 to 161 mg/kg)

14. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. CDC Environmental Testing Results Worker Protection Monitoring Particulate Matter (inside the chamber) = 9.3 ±15 mg/m 3. OSHA limit of 10 mg/m 3 (respiratory protection required) VOCs were below OSHA TWA concentrations Magnesium, iron, and aluminum averaged 0.32, 0.083, and 0.033 mg/m 3, respectively (OSHA limits at or above 5 mg/m 3 ) Noise monitoring results (OSHA Limit 85 dBA 8-hr and 140 dBC instantaneous): Det Chamber baseline = 55 dBA at chamber door, instantaneous peak at detonation = 145 dbA Near generator = 80-95 dBA

15. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. Armor Plate Bolted to Chamber Wall Before and After Detonation Fragmentation Control Is Key to Durability Expertise in controlling fragmentation is key to protecting interior armor Fragments are controlled by proper configuration of donor counter charge

16. © CH2M HILL 2002. All Rights Reserved. Confidential and Proprietary. Summary Effective: CDC technology is proven effective for destroying conventional munitions, chemical munitions and other energetic/explosive items Versatile: Fixed and mobile systems are follow same basic design principle Environmentally Protective: Standard air pollution control proven effective Durable: Fragmentation control is key to maximizing durability