Standard Practice for Sampling Stationary Source Emissions for the Automated Determination of Gas Concentrations
NORMA vydána dne 1.12.2020
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Designation standards: ASTM D5835-20
Publication date standards: 1.12.2020
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
This practice presents the procedures and equipment that will permit, within certain limits, representative sampling of stationary source emissions for the automated determination of gas concentrations of effluent gas streams. This application is limited to the determination of oxygen (O2), carbon dioxide (CO2), carbon monoxide (CO), sulfur dioxide (SO2), nitric oxide (NO), nitrogen dioxide (NO2) and total oxides of nitrogen (NOx). Although velocity measurements are required to determine the mass flow rates of gases, this is, however, not included in this practice. This practice describes representative sampling of gases in a duct, both by extractive and non-extractive methods. In extractive sampling, gases are conditioned to remove aerosols, particulate matter, and other interfering substances before being conveyed to the instruments. In non-extractive sampling, the measurements are made in-situ; therefore, no sample conditioning except filtering is required.
Keywords:
automated stack sampling, dilution extraction, in-situ sampling, stack emissions, stack sampling,, ICS Number Code 13.040.40 (Stationary source emissions)