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• Project Type: HVAC Corrections & Installation
• Specifications & Challenges:
  • 5,000 sqft of slab area
  • 2 stories
• Radon Level (Pre-Project): 25 - 200
• Radon Level (Post-Project): 0.4 - 2.5

• Project Type: Design & Installation
• Specifications & Challenges:
  • 2,000 sqft of slab area
  • 2 stories
• Radon Level (Pre-Project): 65 - 914
• Radon Level (Post-Project): 2.5 - 3.5

• Project Type: HVAC Corrections & Installation
• Steam tunnel depressurization
• Specifications & Challenges:
  • 10,000 sqft of slab area
  • 2 stories
• Radon Level (Pre-Project): 15 - 80
• Radon Level (Post-Project): 1.0 - 3.6

Converted Converted all-girl high school, built in the 1920's.

• Project Type: Design & installation
• Location: Spokane, WA
• Specifications & Challenges:
  • 45,000 sqft of slab area (only 25% of slab required mitigation)
  • 3-5 stories
• Radon Level (Pre-Project): 4.2 - 22
• Radon Level (Post-Project): 0.8 - 1.5

• Project Type: HVAC Corrections only
• Location: Spokane, WA
• Specifications & Challenges:
  • 10,000 sqft of slab area
  • 2 stories
• Radon Level (Pre-Project): 13 - 32
• Radon Level (Post-Project): 1.5 - 2.5