Industries-Environment Measurement Standards

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TO-9A View Determination of Toxic Organic Compoundsin Ambient Air
TO-13A View Analysis of samples collected in PUF/XAD cartridges with a filter
TO-17 View Volatile Organic Compounds
TO-14A View GC/MS Selected Ion Monitoring (SIM)
TO-15 View GC/MS Selected Ion Monitoring (SIM)
TO-12 View NMOC
TO-11 View Aldehydes and Ketones
TO-8 View Phenols and Cresols
TO-3 View Detailed Hydrocarbon Analysis (DHA)
TO-3 View BTEX and TPH

Standard:TO-3

Published:

Description:Detailed Hydrocarbon Analysis (DHA)

Method cryogenic trapping and a gas chromatograph with a flame ionization detector (FID) to measure hydrocarbons collected in Summa Canisters. EAS performs a modified version of the method which follows the protocol contained in the EPA Guidance Document �Technical Assistance Documents for Sampling and Analysis of Ozone Precursors�. The method is used to determine 90 individual hydrocarbons, including the 55 PAMS compounds in air and gas samples. The FID is calibrated using propane and hexane and the response of individual hydrocarbons are calculated against these compounds in ppbC according to the procedure described in the guidance document. This method can be used for forensic hydrocarbon analysis and PIANO analysis of air and gas samples.

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TI-IND-ENV-6-3