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BS EN 16429:2021

BS EN 16429:2021

$189.07

Stationary source emissions. Reference method for the determination of the concentration of gaseous hydrogen chloride (HCl) in waste gases emitted by industrial installations into the atmosphere

Published By Publication Date Number of Pages
BSI 2021 46
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This document specifies the standard reference method (SRM) based on an automatic method for determination of the mass concentration of hydrogen chloride (HCl) in ducts and stacks emitting to the atmosphere. It describes the sampling and gas conditioning system.

This document specifies the characteristics to be determined and the performance criteria to be fulfilled by portable automated measuring systems (P-AMS) using the infrared measurement method. It applies for periodic monitoring and for the calibration or control of automated measuring systems (AMS) permanently installed on a stack, for regulatory or other purposes.

The infrared measurement method described in this document can be used as a SRM, provided the expanded uncertainty of the method is less than 20 % relative at the daily Emission Limit Value (ELV), or 1 mg/m3 for ELV below 5 mg/m3, and the criteria associated to performance characteristics described in EN 15267-4 for portable automated measuring systems (P-AMS), are fulfilled.

This document specifies criteria for demonstration of equivalence of an alternative method (AM) to the SRM by application of EN 14793.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
3 Terms and definitions
13 4 Principle
4.1 General
14 4.2 Measuring principle
5 Sampling system
5.1 General
5.2 Sampling probe
5.3 Filter
15 5.4 Sampling line
5.5 Conditioning system
5.5.1 Permeation drier (configuration 1)
5.5.2 Heated line and heated analyser (configuration 2)
5.6 Sample pump
5.7 Secondary filter (optional)
16 6 Analyser equipment
7 Determination of the characteristics of the method: analyser, sampling and conditioning line
7.1 General
7.2 Relevant performance characteristics of the method and performance criteria
7.3 Establishment of the uncertainty budget
18 8 Field operation
8.1 Measurement plan and sampling strategy
19 8.2 Setting of the analyser on site
8.2.1 General
8.2.2 Preliminary zero and span check, and adjustments
8.2.2.1 Test gases
8.2.2.2 Adjustment of the analyser
8.2.2.3 Check of the sampling system, for leaks and losses
20 8.2.3 Zero and span checks after measurement
9 Ongoing quality control
9.1 Introduction
21 9.2 Frequency of checks
10 Expression of results
22 11 Equivalence of an alternative method
12 Measurement report
23 Annex A (informative)Example of assessment of compliance of non-dispersive infrared method for HCl with requirements on emission measurements
A.1 Process of uncertainty estimation
A.1.1 General
A.1.2 Determination of model function
A.1.3 Quantification of uncertainty components
A.1.4 Calculation of the combined uncertainty
24 A.2 Specific conditions in the site
25 A.3 Performance characteristics of the method
26 A.4 Calculation of standard uncertainty of concentration values given by the analyser
A.4.1 Model equation and application of rule of uncertainty propagation
27 A.4.2 Calculation of the partial uncertainties
33 A.4.3 Result of combined uncertainty calculation
34 A.4.4 Calculation of combined uncertainty
A.5 Uncertainty associated to the concentration on dry gas
36 Annex B (informative)Example of correction of data from drift effect
38 Annex C (informative)Validation of the method in the field
C.1 General
C.2 Recommendations to manufacturers (from observations noticed during the validation campaigns)
C.3 Characteristics of the reference gases
39 C.4 Characteristics of installations
C.5 Repeatability and reproducibility in the field

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BS EN 16429:2021
$189.07