Environmental Laboratory
Soil Gas Monitoring - The Current State of the Art
Jan 26 2010
Author: Dan Cardin and Thomas X. Robinson on behalf of Element Materials Technology Ltd - Element Cambridge Life Sciences
Soil gas investigations have become a key tool in evaluating the extent of Volatile Organic Compounds (VOCs) contamination in soil and groundwater. This is used to ascertain the extent of contamination as well as to evaluate the remediation progress.
VOC concentration measurements also reveal subsurface migration of chemicals as pathways to indoor air vapor intrusion.
Soil gas is collected using sampling probes of various lengths to extract vapors at specific depths using evacuated canisters as a means to collect the sample without the need for sampling pumps. Contamination is pinpointed without using time consuming drilling operations, effectively determining the concentrations of contaminants with minimal disturbance to the surrounding environment. It is important to collect the vapour sample at controlled flow rates and with small sample volumes so that the sampling is not compromised by nearby points of contamination.
Digital Edition
IET 34.2 March 2024
April 2024
Gas Detection - Biogas batch fermentation system for laboratory use with automatic gas analysis in real time Water/Wastewater - Upcycling sensors for sustainable nature management - Prist...
View all digital editions
Events
May 06 2024 Minneapolis, MN, USA
May 13 2024 Munich, Germany
May 15 2024 Lund, Sweden
May 15 2024 Frankurt-am-Main, Germany
May 20 2024 Columbus, OH, USA