SS-ISO-25597 Stationary source emissions - Test Method for Determining PM2.5 and PM10 Mass in Stack Gases using Cyclone Samplers and Sample Dilution (ISO 25597:2013, IDT)

SS-ISO-25597 - 2013 EDITION - CURRENT


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ISO 25597:2013 specifies procedures for the extraction and measurement of filterable particulate matter from stationary source flue gas samples by: a) the use of cyclone samplers; b) the measurement of condensed particulate matter using dilution sampling technique, which simulates the interaction of stack gas components with the atmosphere as they mix after the stack exit.ISO 25597:2013 provides for the use of two types of sampling train.1) Basic sampling train, a basic sampling train to measure filterable particles using sampling cyclones that can distinguish between particle sizes in the range of 2,5 µm and 10 µm. This method is especially suitable for measurements of particle mass concentrations above 50 mg/m3 as a half-hourly average at standard conditions (293 K, 1 013 hPa, dry gas) and applies to primary particulate matter (PM) emissions equal to or less than an aerodynamic diameter of nominally 10 µm (PM10) from stacks or ducts.2) Dilution sampling train, a dilution sampling train that utilizes a dilution chamber that mixes flue gas with conditioned dilution air to simulate the interaction of the stack gas components with ambient air. This simulation process may lead to the condensation of particulate matter that might not otherwise be produced in the basic sampling train. The dilution sampling train uses in-stack sampling cyclones to measure filterable particles in the same manner as the basic sampling train, but in addition, utilizes additional PM2,5 and/or PM10 cyclones in the sampling train to measure particles formed in the dilution chamber.This method is intended for the measurement of mass concentrations of particles smaller than 2,5 µm aerodynamic diameter (PM2,5) using weighing techniques. The method can be used to measure mass concentrations of particles with aerodynamic diameter smaller than 10 µm aerodynamic diameter (PM10) or particles with aerodynamic diameters between 2,5 µm and 10 µm.

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13.040.40 (Stationary source emissions)

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Designation Name

SS-ISO 25597:2013

Revision Level

2013 EDITION

Status

Current

Publication Date

April 17, 2013

Language(s)

English

Page Count

80

International Equivalent

ISO 25597:2013(IDT)