Transcription of 13.10 ASTM D1946, ASTM D1945, and EPA 3C …
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13.10 ASTM D1946, ASTM D1945, and EPA 3C …
astm D1946, astm d1945 , and epa 3c permanent Gases astm D1946, d1945 , and epa 3c are used for the analysis of permanent gases (also called fixed gases) and light hydrocarbons at the percentage level in all types of samples. The samples can be collected in canisters, Tedlar bags, or other approved containers. Samples are analyzed by gas chromatography with a thermal conductivity detector (TCD). The methods for astm d1945 , astm D1946, and epa 3c are the same, but there are different QC criteria and compounds specified for each method. These methods were originally designed for high-level source analysis and have been modified for environmental analysis. The results for astm D1946 and d1945 are normalized to 100% when all compounds are analyzed. The modifications done by EAS include the calibration and QC criteria.
ASTM D1946, ASTM D1945, and EPA 3C Permanent Gases ASTM D1946, D1945, and EPA 3C are used for the analysis of permanent gases (also called fixed gases) and light hydrocarbons at the percentage level in all types of samples.
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