EPA Method 3C


ALS - Columbia offers EPA Method 3C testing at these laboratories:

Simi Valley Simi Valley, California Laboratory

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EPA Method 3C:
DETERMINATION OF CARBON DIOXIDE, METHANE, NITROGEN, AND OXYGEN FROM STATIONARY SOURCES

Summary:
Since the TCD exhibits universal response and detects all gas components except the carrier, interferences may occur. Choosing the appropriate GC or shifting the retention times by changing the column flow rate may help to eliminate resolution interferences. To assure consistent detector response, helium is used to prepare calibration gases. Frequent exposure to samples or carrier gas containing oxygen may gradually destroy filaments.

Scope:
This method applies to the analysis of carbon dioxide (CO2), methane (CH4), nitrogen (N2), and oxygen (O2) in samples from municipal solid waste landfills and other sources when specified in an applicable subpart.

Test Description:
Carbon dioxide, meth

Date Issued:
6/20/1996

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Examples:  8260
TO-15

Examples:  Dioxin
Mercury
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