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From Actlabs profile

...In 1996, ACTLABS Organics Division began research, led by Dale Sutherland, into the use of soil gas hydrocarbons for mineral exploration. A CAMIRO sponsored research program ensued to test the technology. In 2001, the new SGH technology became widely available to the mineral exploration industry. As a result of the first CAMIRO project proving to be so successful, a second CAMIRO project was funded and completed to better understand why SGH was so successful. The results of this project are still in the confidentiality period. ....

but no much info about their thunderbay lab

Actlabs has quite a technolgy, and expanded rapidly in last 10 years, hope that it can assist the faster return of our assays..