TEG Northern California
SOIL VAPOR SURVEYS
& VAPOR SERVICES

TEG offers state-of-the-art active soil vapor surveys using CA DTSC guidlines and EPA endorsed methods.  TEG has completed more than 100,000 soil vapor locations at a variety of industrial and military sites across the United States and the world.  TEG has designed and developed proprietary methods for Tier II landfill gas sampling.

SOIL VAPOR SURVEYS

• Active soil vapor surveys
• Sub-slab vapor sampling
• Real time leak check sampling and analysis
• Hand operated equipment for limited access sites
• Measurement of vertical vapor gradients 
  (up & down)

ON-SITE ANALYSIS FOR:

• VOC's
• Fuels and petroleum hydrocarbons
• Fixed & biogenic gases (CO2, O2, methane)
• Light hydrocarbons (methane, ethane, ethylene)
• Landfill gases

ADDITIONAL VAPOR SERVICES

• Landfill gas sampling (Tier II)
• Monitoring of natural attenuation gases