|Use:||Combustible gas indicator. Instruments can be used in the immediate environment or can draw samples from remote areas through the use of sampling lines or probes.|
Catalytic surface oxidation devices operate in similar fashion to explosimeters (see 6.2.3).
1. Non-Halogenated VOCs
3. Some Halogenated VOCs
|Requires extraction to liquid or gas phase||Requires extraction to liquid or gas phase||BETTER|
|Selectivity:||Technique measures the contaminant indirectly.|
|Susceptibility to Interference:||Medium.|
|Detection Limits :||10-100 ppm (soil); 0.5-10 ppm (water).|
|Turnaround Time per Sample:||Minutes.|
ASTM Standards/EPA Methods:
No applicable ASTM standards or EPA methods are cited for this technology.
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