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Passive Soil Gas Sampling

Beacon Environmental Services

Beacon’s PSG surveys are a very cost effective screening tool to provide a clear vision of the lateral extent of contamination and, importantly, enabling highly target efforts for active characterization of soil, soil vapour and groundwater.

--> Effective and reliable screening for volatile and semi-volatile organic compounds in soil and groundwater

--> Quickly identify source areas and delineate the lateral extent of contamination including migration pathways or indoor air intrusion pathways

--> High resolution passive soil gas screening data improves development of site conceptual models and focuses expenditure on further active site investigation

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Instructional Video -- Passive Soil Gas Sampling through Asphalt or Concrete Surfacing


Instructional Video -- Passive Soil Gas Sampling through Soil Covered Areas


Representative List of Target Compounds
Passive Soil-Gas Survey Representative List of Target Compounds
TPH C5-C9 p & m-Xylene
TPH C10-C15 Bromoform 
Vinyl Chloride  1,1,2,2-Tetrachloroethane 
1,1-Dichloroethene  o-Xylene 
trans-1,2-Dichloroethene 1,2,3-Trichloropropane 
Methyl-t-butyl ether (MTBE)  Isopropylbenzene 
1,1-Dichloroethane 1,3,5-Trimethylbenzene 
cis-1,2-Dichloroethene  1,2,4-Trimethylbenzene 
Chloroform 1,3-Dichlorobenzene 
2,2-Dichloropropane 1,4-Dichlorobenzene 
1,2-Dichloroethane 1,2-Dichlorobenzene 
1,1,1-Trichloroethane n-Butylbenzene 
1,1-Dichloropropene  1,2,4-Trichlorobenzene 
Carbon Tetrachloride Naphthalene 
Benzene Hexachlorobutadiene
1,2-Dichloropropane  Trichlorobenzenes 
Trichloroethene  2-Methylnaphthalene
1,1,2-Trichloroethane  Tetrachlorobenzenes 
Toluene  Acenaphthylene
1,3-Dichloropropane  Acenaphthene 
1,2-Dibromoethane (EDB)  Pentachlorobenzene 
Tetrachloroethene  Heptadecane 
1,1,1,2-Tetrachloroethane Hexachlorobenzene 
Chlorobenzene  Phenanthrene 
Ethylbenzene  Anthracene 
Note: Additional compounds may be targeted to meet project specific requirements. The reporting quantitation level (RQL) for each compound is 25 nanograms (ng) and the RQL for TPH is 5,000 ng; however, the demonstrated limit of quantitation (LOQ) for each compound is 10 ng.