APPLICATION OF PASSIVE SOIL GAS SAMPLING TO DETERMINE THE PRESENCE OF PETROLEUM HYDROCARBONS IN GAS STATION SUBSURFACE: TWO CASES IN THE CENTRAL VALLEY OF COSTA RICA

• M. Vasquez,
• L. Kessel,
• H. O'Neill

Affiliations

M. Vasquez

EnviroLogek Costa Rica

L. Kessel

EnviroLogek, USA

H. O'Neill

Beacon Environmental Services