2. Environmental Aspects of Natural Gas Mid-stream Operations (an overview) June 2004 Presentation by Bruce Kosugi OGC SCEK Fund Workshop June 10, 2004

3. For Discussion What are Mid-stream Operations? How do they interact with the environment (Aspects)? Discussion

4. Mid-Stream Operations Gathering Processing Transmission

5. Gathering

6. Processing NN

7. Transmission

8. The System

9. Aspects Environmental Aspects are related to: –Water –Soil –Air –Habitat

10. Water Effluent Quality and Quantity Thermal Conditions Water Use

11. Soil Maintaining Soil Structure and Quality Avoiding Contamination Reclamation

12. Air Acid Rain Ground Level Ozone/Smog Stratospheric Ozone Depletion Toxics Particulates Noise Greenhouse Gases

13. Habitat Planning and development of projects (pipelines, facilities) Protecting sensitive habitat, avoiding sensitive time periods

14. Discussion