Environmental Hazard is a Chapter in Dead Space.
Go to Tram Maintenance
Go to Hydroponics
Create Enzyme
Gain Access to Food Storage
Inject the Wheezers
Eject the Leviathan into Space
Kill the Leviathan
Chapter 1: New Arrivals
Chapter 2: Intensive Care
Chapter 3: Course Correction
Chapter 4: Obliteration Imminent
Chapter 5: Lethal Devotion
Chapter 6: Environmental Hazard
Chapter 7: Into the Void
Chapter 8: Search and Rescue
Chapter 9: Dead on Arrival
Chapter 10: End of Days
Chapter 11: Alternative Solutions
Chapter 12: Dead Space
[ Environmental Hazard Video Walkthrough]