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Stationary source emissions - Greenhouse gases - Part 1: Calibration of automated measuring systems

This document specifies the procedures for establishing quality assurance for automated measuring systems (AMS) installed on industrial plants for the determination of the concentration of greenhouse gases in flue and waste gas and other flue gas parameters. This part of ISO 14385 specifies a procedure to calibrate the AMS and determine the variability of the measured values obtained by an AMS, which is suitable for the validation of an AMS following its installation. This part of ISO 14385 is designed to be used after the AMS has been accepted according to the procedures specified in ISO 14956.

Émissions de sources fixes - Gaz à effet de serre - Partie 1: Étalonnage des systèmes de mesurage automatiques

Emisije nepremičnih virov - Toplogredni plini - 1. del: Kalibracija avtomatskih merilnih sistemov

Ta dokument določa postopke za vzpostavitev ravni zagotavljanja kakovosti avtomatskih merilnih sistemov (AMS) v industrijskih obratih za določanje koncentracije toplogrednih plinov v dimovodih ter odpadnih plinov in drugih parametrov dimnega plina. Ta del standarda ISO 14385 določa postopek za kalibracijo avtomatskih merilnih sistemov in določitev spremenljivosti izmerjenih vrednosti, pridobljenih iz avtomatskih merilnih sistemov, ki je primeren za potrjevanje avtomatskega merilnega sistema po njegovi namestitvi. Ta del standarda ISO 14385 je zasnovan tako, da se uporablja po tem, ko je avtomatski merilni sistem potrjen in sprejet v skladu s postopki, določenimi v standardu ISO 14956.

General Information

Status

Published

Public Enquiry End Date

09-Oct-2018

Publication Date

10-Nov-2019

ICS

13.020.40 - Pollution, pollution control and conservation

13.040.40 - Stationary source emissions

Technical Committee

KAZ - Air quality

Current Stage

6060 - National Implementation/Publication (Adopted Project)

Start Date

08-Nov-2019

Due Date

13-Jan-2020

Completion Date

11-Nov-2019

Ref Project

ISO 14385-1:2014 - Stationary source emissions -- Greenhouse gases

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INTERNATIONAL ISO
STANDARD 14385-1
First edition
2014-08-01
Stationary source emissions —
Greenhouse gases —
Part 1:
Calibration of automated measuring
systems
Émissions de sources fixes — Gaz à effet de serre —
Partie 1: Étalonnage des systèmes de mesurage automatiques
Reference number
ISO 14385-1:2014(E)
ISO 2014
---------------------- Page: 1 ----------------------
ISO 14385-1:2014(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2014

or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior

written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of

the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2014 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 14385-1:2014(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Symbols and abbreviations ....................................................................................................................................................................... 5

4.1 Symbols ......................................................................................................................................................................................................... 5

4.2 Abbreviations ........................................................................................................................................................................................... 6

5 Principle ........................................................................................................................................................................................................................ 6

5.1 General ........................................................................................................................................................................................................... 6

5.2 Limitations .................................................................................................................................................................................................. 6

5.3 Measurement site and installation ........................................................................................................................................ 7

5.4 Testing laboratories performing SRM measurements .......................................................................................... 8

6 Calibration and validation of the AMS ............................................................................................................................................ 8

6.1 General ........................................................................................................................................................................................................... 8

6.2 Functional test ......................................................................................................................................................................................... 8

6.3 Calibration and validation of multiple/complex measurement systems ............................................. 8

6.4 Parallel measurements with an SRM ................................................................................................................................... 9

6.5 Procedure: calibration and validation of the AMS by means of parallel measurements .....11

6.6 Report ..........................................................................................................................................................................................................18

7 Documentation ....................................................................................................................................................................................................18

Annex A (normative) Functional test of AMS ............................................................................................................................................19

Annex B (normative) Test of linearity ..............................................................................................................................................................23

Annex C (normative) Documentation ...............................................................................................................................................................25

Annex D (informative) Example of calculation of the calibration function ...............................................................27

Annex E (informative) Procedure for the identification of outliers ..................................................................................30

Annex F (informative) Measurement uncertainty ...............................................................................................................................34

Bibliography .............................................................................................................................................................................................................................35

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the meaning of ISO specific terms and expressions related to conformity

assessment, as well as information about ISO’s adherence to the WTO principles in the Technical Barriers

to Trade (TBT) see the following URL: Foreword - Supplementary information

The committee responsible for this document is ISO/TC 146, Air quality, Subcommittee SC 1, Stationary

source emissions.

ISO 14385 consists of the following parts, under the general title Stationary source emissions —

Greenhouse gases:
— Part 1: Calibration of automated measuring systems
— Part 2: Ongoing quality control of automated measuring systems
iv © ISO 2014 – All rights reserved
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ISO 14385-1:2014(E)
Introduction

The measurement of greenhouse gas emissions (carbon dioxide, nitrous oxide, methane) in a framework

of emission trading requires an equal and known quality of data.

This part of ISO 14385 describes the quality assurance procedures for calibration and ongoing quality

control needed to ensure that automated measuring systems (AMS) installed to measure emissions

of greenhouse gases to air are capable of meeting the uncertainty requirements on measured values

specified, e.g. by legislation, competent authorities, or in an emission trade scheme.

© ISO 2014 – All rights reserved v
---------------------- Page: 5 ----------------------
INTERNATIONAL STANDARD ISO 14385-1:2014(E)
Stationary source emissions — Greenhouse gases —
Part 1:
Calibration of automated measuring systems
1 Scope

This part of ISO 14385 specifies the procedures for establishing quality assurance for automated

measuring systems (AMS) installed on industrial plants for the determination of the concentration of

greenhouse gases in flue and waste gas and other flue gas parameters.

This part of ISO 14385 specifies a procedure to calibrate the AMS and determine the variability of

the measured values obtained by an AMS, which is suitable for the validation of an AMS following its

installation.

This part of ISO 14385 is designed to be used after the AMS has been accepted according to the procedures

specified in ISO 14956.
2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

ISO 14385-2, Stationary source emissions — Greenhouse gases — Part 2: Ongoing quality control of

automated measuring systems

ISO 14956, Air quality — Evaluation of the suitability of a measurement procedure by comparison with a

required measurement uncertainty
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
automated measuring system
AMS

measuring system permanently installed on site for continuous monitoring of emissions

Note 1 to entry: An AMS is a method which is traceable to a reference method.

Note 2 to entry: Apart from the analyser, an AMS includes facilities for taking samples (e.g. sample probe, sample

gas lines, filters, flow meters, regulators, delivery pumps, blowers) and for sample conditioning (e.g. dust filter,

water vapour removal devices, converters, diluters). This definition also includes testing and adjusting devices

that are required for regular functional checks.
3.2
calibration function

linear relationship between the values of the SRM and the AMS with the assumption of a constant

residual standard deviation
3.3
calibration gas
gas of known composition that can be used to check the response of the AMS
© ISO 2014 – All rights reserved 1
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ISO 14385-1:2014(E)
3.4
competent authority

organization or organizations which implement the requirements of legislation and regulate installations

which must comply with the requirements of legislation
3.5
confidence interval

interval estimator (T , T ) for the parameter θ with the statistics T and T as interval limits and for

1 2 1 2
which it holds that P[T < θ < T ] ≥ 1 – α
1 2

Note 1 to entry: The two-sided 95 % confidence interval of a normal distribution is illustrated in Figure 1, where

T = Θ – 1,96σ is the lower 95 % confidence limit;
1 0
T = Θ + 1,96σ is the upper 95 % confidence limit;
2 0
I = T – T = 2 × 1,96 × σ is the length of the 95 % confidence interval;
2 1 0

σ = I / (2 × 1,96) is the standard deviation associated with a 95 % confidence interval;

n is the number of observed values;
f is the frequency;
m is the measured value.
Figure 1 — Illustration of the 95 % confidence interval of a normal distribution

Note 2 to entry: In this part of ISO 14385, the standard deviation, σ is estimated by parallel measurements

with an SRM. It is assumed that the requirement for σ , presented in terms of an allowable uncertainty budget,

i.e. variability is provided by the regulators. In the procedures of this part of ISO 14385, the premise is that the

required variability is given as σ itself, or as a quarter of the length of the full 95 % confidence interval.

[SOURCE: ISO 3534-1:2006, 1.28, modified: Figure 1 has been added. Notes 1 and 2 are different.]

3.6
drift

monotonic change of the calibration function over stated maintenance interval, which results in a change

of the measured value
3.7
extractive AMS

AMS having the detection unit physically separated from the gas stream by means of a sampling system

2 © ISO 2014 – All rights reserved
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ISO 14385-1:2014(E)
3.8
in-situ AMS
AMS having the detection unit in the gas stream, or in a part of it
3.9
instrument reading

indication of the measured value directly provided by the AMS without using the calibration function

3.10
legislation
directives, acts, ordinances, and regulations
3.11
low-level cluster

cluster of measurement values less than the maximum permissible uncertainty and between 0 % and

15 % of the lowest measuring range
3.12
measurand
[5]
particular quantity subject to measurement
3.13
measured component

constituent of the waste gas for which a defined measurand is to be determined by measurement

3.14
measured value
estimated value of the measurand derived from an output signal

Note 1 to entry: This usually involves calculations related to the calibration process and conversion to required

quantities

Note 2 to entry: A measured value is a short-term average. The averaging time can be, e.g. 10 min, 30 min, or 1 h.

3.15
period of unattended operation

maximum admissible interval of time for which the performance characteristics will remain within a

predefined range without external servicing, e.g. refill, calibration, adjustment

Note 1 to entry: This is also known as the maintenance interval.
3.16
peripheral parameter

specified physical or chemical quantity which is needed for conversion of the AMS measured value to

standard conditions
3.17
peripheral AMS

AMS used to gather the data required to convert the AMS measured value to standard conditions

Note 1 to entry: A peripheral AMS is used to measure water vapour, temperature, pressure, and oxygen.

3.18
peripheral SRM

SRM used to gather the data required to convert the SRM measured values to AMS or standard conditions

Note 1 to entry: A peripheral SRM is used to measure water vapour, temperature, pressure, and oxygen.

3.19
precision

closeness of agreement of results obtained from the AMS for successive zero readings and successive

span readings at defined time intervals
© ISO 2014 – All rights reserved 3
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ISO 14385-1:2014(E)
3.20
reference material

substance or mixture of substances with a known concentration within specified limits, or a device of

known characteristics

Note 1 to entry: Normally used are calibration gases, gas cells, gratings, or filters.

3.21
response time
t90

time interval between the instance of a sudden change in the value of the input quantity to an AMS and

the time as from which the value of the output quantity is reliably maintained above 90 % of the correct

value of the input quantity
Note 1 to entry: The response time is also referred to as the 90 % time.
3.22
span reading

instrument reading of the AMS for a simulation of the input parameter at a fixed elevated concentration.

This simulation should test as much as possible all the measuring elements of the system, which

contribute significantly to its performance.
Note 1 to entry: The span reading is approximately 80 % of the measured range.
3.23
standard conditions

conditions as given in legislation to which measured values have to be standardized

3.24
standard deviation

positive square root of the mean squared deviation from the arithmetic mean, divided by the degrees

of freedom

Note 1 to entry: The number of degrees of freedom is the number of measurements minus 1.

3.25
Standard Reference Method
SRM

method described and standardised to define a measurand, temporarily conducted on site for verification

purposes
Note 1 to entry: Also known as a reference method.
3.26
uncertainty

parameter associated with the result of a measurement that characterises the dispersion of the values

[5]
that could reasonably be attributed to the measurand
3.27
variability

standard deviation of the differences of parallel measurements between the SRM and AMS

3.28
zero reading

instrument reading of the AMS on simulation of the input parameter at zero concentration, which shall

test as much as possible all the measuring elements of the AMS, that contribute significantly to its

performance
4 © ISO 2014 – All rights reserved
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ISO 14385-1:2014(E)
4 Symbols and abbreviations
4.1 Symbols
a intercept of the calibration function
â best estimate of a
b slope of the calibration function
ˆ best estimate of b
D difference between SRM value y and calibrated AMS measured value ŷ
i i i
average of D
E maximum value of measuring range

k test value for variability (based on a χ -test, with a β-value of 50 %, for N numbers of paired measure-

ments)
N number of paired samples in parallel measurements
σ standard deviation of the differences D in parallel measurements

t value of the t distribution for a significance level of 95 % and a number of degrees of freedom of N – 1

0,95; N–1
u uncertainty due to instability (expressed as a standard deviation)
inst

u uncertainty due to influence of temperature (expressed as a standard deviation)

temp
u uncertainty due to influence of pressure (expressed as a standard deviation)
pres
u uncertainty due to influence of voltage (expressed as a standard deviation)
volt

u any other uncertainty that can influence the zero and span reading (expressed as a standard devia-

others
tion)
x i measured signal obtained with the AMS at AMS measuring conditions
x average of AMS measured signals x
y i measured value obtained with the SRM
average of the SRM measured values y
y SRM measured value y at standard conditions
i,s i
y lowest SRM measured value at standard conditions
s,min
y highest SRM measured value at standard conditions
s,max

ŷ best estimate for the “true value”, calculated from the AMS measured signal x by means of the cali-

i i
bration function

ŷ best estimate for the “true value”, calculated from the AMS measured signal x at standard conditions

i,s i

ŷ best estimate for the “true value”, calculated from the maximum value of the AMS measured signals x

s,max i
at standard conditions
Z offset (the difference between the AMS zero reading and the zero)
© ISO 2014 – All rights reserved 5
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ISO 14385-1:2014(E)
s standard deviation of the AMS used in ongoing quality control
AMS
α significance level

ԑ deviation between y and the expected value σ standard deviation associated with the uncertainty

i i 0
derived from requirements of legislation
4.2 Abbreviations
AMS automated measuring system
AST annual surveillance test
QA quality assurance
SRM Standard Reference Method
5 Principle
5.1 General

An AMS to be used shall be proven suitable for its measuring task (parameter and composition of the flue

gas) by use of the procedures specified in ISO 14956. Using this part of ISO 14385, it shall be proven that

the total uncertainty of the results obtained from the AMS meets the specification for uncertainty stated

in legislation or in requirements and specifications established in an international trading program. In

ISO 14956, the total uncertainty required by the relevant regulations is calculated by summing all the

relevant uncertainty components arising from the individual performance.

This part of ISO 14385 provides a procedure for the validation and calibration of an AMS. It consists

of the determination of the calibration function and its variability, and a test of the variability of the

measured values of the AMS compared with the uncertainty given by legislation or in requirements and

specifications established in international trading programs. The tests are based on a number of parallel

measurements performed with a Standard Reference Method (SRM). The variability of the measured

values obtained with the AMS can then be evaluated against the maximum permissible uncertainty.

The tests are performed on AMS that have been correctly installed and commissioned.

The tests can be used to

a) establish a calibration function over a range of plant operating conditions and

b) calibrate the AMS and demonstrate that an AMS meets the required accuracy at a constant operating

load.

The procedure is repeated periodically after a major change of plant operation, after a failure of the

AMS, or as required by legislation.
5.2 Limitations

Figure 2 illustrates the components of the AMS covered by this part of ISO 14385.

6 © ISO 2014 – All rights reserved
---------------------- Page: 11 ----------------------
ISO 14385-1:2014(E)

Figure 2 — Limits for the QA of the AMS excluding the data acquisition and handling system

NOTE 1 The influence of the uncertainty of the measurement results, which arise from the data acquisition

recording and handling system of the AMS or of the plant system and its determination, are excluded from this

part of ISO 14385.

NOTE 2 The performance of the data collection and recording system can be as influential as the AMS

performance in determining the quality of the results obtained from the whole measuring system/process. There

are different requirements for data collection recording and presentation in different countries.

When conducting parallel measurements, the measured signals from the AMS are taken directly from

the AMS (e.g. expressed as analogue or digital signal) during the calibration and annual surveillance test

(AST) procedures specified in this part of ISO 14385 by using an independent data collection system

provided by the organization(s) carrying out the calibration and AST tests, as specified in ISO 14385-2.

All data shall be recorded in their uncorrected form (without corrections for, e.g. temperature and

oxygen). A plant data collection system with quality control can additionally be used to collect the

measured signal from the AMS.
5.3 Measurement site and installation

The AMS shall be installed in accordance with the requirements of the relevant national or international

standards, as specified by legislation, competent authorities, or in emission trade scheme. Special

attention shall be given to ensure that the AMS is readily accessible for regular maintenance and other

necessary activities.

NOTE The AMS is intended to be positioned as far as practical so that it measures a sample representative of

the stack gas composition.

All measurements shall be carried out on a suitable AMS and peripheral AMS installed within an

appropriate working environment.

The working platform used to access the AMS shall readily allow parallel measurements to be performed

using an SRM. The sampling ports for measurements with the SRM shall be placed as close as possible,

but not more than three times the equivalent diameter up- or down-stream of the location of the AMS,

in order to achieve comparable measurements between AMS and SRM.

It is necessary to have good access to the AMS to enable inspections to take place and also to minimize

time taken to implement the quality assurance procedures of this part of ISO 14385. A clean, well-

ventilated, and well-lit working space around the AMS is required to enable the staff to perform this

work effectively. Suitable protection is required for the personnel and the equipment, if the working

platform is exposed to the weather.
© ISO 2014 – All rights reserved 7
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ISO 14385-1:2014(E)
5.4 Testing laboratories performing SRM measurements

The testing laboratories, which perform the measurements with the SRM, shall be accredited for this

task according to ISO/IEC 17025 or shall be approved directly by the relevant competent authority.

6 Calibration and validation of the AMS
6.1 General
Testing shall cover the following items:
— installation of the AMS;
— functional test of the AMS;

— calibration of the AMS by means of parallel measurements with an SRM and, if necessary, in

combination with calibration gases;

— validation of the AMS (determination of the variability of the AMS and the check of compliance with

the maximum permissible uncertainty or determination of the relative uncertainty).

A calibration procedure shall be performed for all measurands at least every 5 years for every AMS

and more frequently if so required by legislation, requirements, and specifications established in an

international trading program or the competent authority.

Furthermore, a calibration procedure shall be performed for all the measurands influenced by

— any major change in plant operation (e.g. change in flue gas abatement system or change of fuel) or

— any major changes or repairs to the AMS, which will influence the results obtained significantly.

The results of the calibration procedure shall be reported within 6 months after the changes. During the

period before a new calibration function has been established, the previous calibration function (where

necessary with extrapolation) shall be used.

The measurement range shall be chosen to ensure the expected measurement values are between 25 %

and 75 % of the maximum of this range.
6.2 Functional test

The requirements for installation and the measurement site as specified in 5.3 shall be checked.

If peripheral AMS is used to convert the measured values to other conditions, these AMS shall be subject

of functional tests.

NOTE Since the AMS and SRM measured values are converted to other conditions by independently

determined data sets of the peripheral parameters, the uncertainties in the peripheral parameters are attributed

to the AMS of the air pollutant in the variability test.

The functional test before calibration shall be performed according to Annex A. The period between the

functional test and the calibration shall be limited to 1 month.
The specific precautions to be taken should depend on the individual location.
6.3 Calibration and validation of multiple/complex measurement systems

Although the procedures in this part of ISO 14385 are primarily describing the calibration and

validation of single instruments, the same procedures can be used for the calibration and validation

of multiple/complex measurement systems. For instance, in many countries, emission limit values are

expressed in concentrations at standard conditions (dry flue gas with temperature 273,15 K, pressure

8 © ISO 2014 – All rights reserved
---------------------- Page: 13 ----------------------
ISO 14385-1:2014(E)

1013 hPa, and a specified oxygen concentration). In such a case, the measurement system consists of

several analysers and measuring devices (peripheral AMS) (analyser for air-polluting compound, oxygen

analyser, measuring devices for temperature, pressure, and water vapour).

If legislation or requirements and specifications established in an international trading program are

requiring calibration and validation of concentrations of air-polluting compounds at standard conditions,

two options are possible.

First, this can be realized by calibration of the results of the individual analysers and measuring devices

using the measurement results of the appropriate reference methods for each of the components in the

calculation (air-polluting compound, oxygen, temperature, pressure, and water vapour). The calibrated

results are then used for conversion by calculation to concentrations at standard conditions.

Alternatively, the results of the individual analysers and measuring devices are converted to standard

conditions and then calibrated to the converted results of the reference methods.

The standard deviation used in the validation procedure has to be calculated by using Formula (11) and

on the basis of the normalized calibrated AMS values and the normalized SRM values.

6.4 Parallel measurements with an SRM

Parallel measurements shall be performed with the AMS and SRM in order to calibrate and/or validate

the AMS by use of an independent method.

It is not sufficient to use reference materials alone to obtain the calibration functions and this is therefore

not permitted. This is because these reference materials do not replicate sufficiently the matrix stack

gas, they cannot be used to establish that the sampling point(s) of the
...

SLOVENSKI STANDARD
SIST ISO 14385-1:2019
01-december-2019
Emisije nepremičnih virov - Toplogredni plini - 1. del: Kalibracija avtomatskih
merilnih sistemov

Stationary source emissions - Greenhouse gases - Part 1: Calibration of automated

measuring systems

Émissions de sources fixes - Gaz à effet de serre - Partie 1: Étalonnage des systèmes

de mesurage automatiques
Ta slovenski standard je istoveten z: ISO 14385-1:2014
ICS:
13.020.40 Onesnaževanje, nadzor nad Pollution, pollution control
onesnaževanjem in and conservation
ohranjanje
13.040.40 Emisije nepremičnih virov Stationary source emissions
SIST ISO 14385-1:2019 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST ISO 14385-1:2019
---------------------- Page: 2 ----------------------
SIST ISO 14385-1:2019
INTERNATIONAL ISO
STANDARD 14385-1
First edition
2014-08-01
Stationary source emissions —
Greenhouse gases —
Part 1:
Calibration of automated measuring
systems
Émissions de sources fixes — Gaz à effet de serre —
Partie 1: Étalonnage des systèmes de mesurage automatiques
Reference number
ISO 14385-1:2014(E)
ISO 2014
---------------------- Page: 3 ----------------------
SIST ISO 14385-1:2019
ISO 14385-1:2014(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2014

or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior

written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of

the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2014 – All rights reserved
---------------------- Page: 4 ----------------------
SIST ISO 14385-1:2019
ISO 14385-1:2014(E)
Contents Page