<?xml version="1.0" encoding="UTF-8"?><toc><section id="sec_foreword"><title>Foreword</title></section><section id="sec_intro"><title>Introduction</title></section><section id="sec_1"><label>1</label><title>Scope</title></section><section id="sec_2"><label>2</label><title>Normative references</title></section><section id="sec_3"><label>3</label><title>Terms and definitions</title></section><section id="sec_4"><label>4</label><title>Principle</title></section><section id="sec_5"><label>5</label><title>Gas sampling system</title><section id="sec_5.1"><label>5.1</label><title>General</title></section><section id="sec_5.2"><label>5.2</label><title>Gas sampling probe</title><section id="sec_5.2.1"><label>5.2.1</label><title>Sampling position</title></section><section id="sec_5.2.2"><label>5.2.2</label><title>Exhaust duct sampling application</title></section><section id="sec_5.2.3"><label>5.2.3</label><title>Alternative sampling applications</title></section></section><section id="sec_5.3"><label>5.3</label><title>Filter</title></section><section id="sec_5.4"><label>5.4</label><title>Tubing</title></section><section id="sec_5.5"><label>5.5</label><title>Pump</title></section></section><section id="sec_6"><label>6</label><title>FTIR instrument</title><section id="sec_6.1"><label>6.1</label><title>General</title></section><section id="sec_6.2"><label>6.2</label><title>Gas cell</title></section><section id="sec_6.3"><label>6.3</label><title>Spectrometer parameters</title></section><section id="sec_6.4"><label>6.4</label><title>Detector</title></section></section><section id="sec_7"><label>7</label><title>Measurement</title><section id="sec_7.1"><label>7.1</label><title>Requirements</title></section><section id="sec_7.2"><label>7.2</label><title>Calibration</title></section><section id="sec_7.3"><label>7.3</label><title>Test procedure</title></section></section><section id="sec_8"><label>8</label><title>Analysis of spectra</title></section><section id="sec_9"><label>9</label><title>Expression of results</title></section><section id="sec_A"><label>Annex A</label><title>Calculation (normative)</title><section id="sec_A.1"><label>A.1</label><title>Volume flow</title></section><section id="sec_A.2"><label>A.2</label><title>Combustion gases</title></section><section id="sec_A.3"><label>A.3</label><title>Calculation of yields</title></section></section><section id="sec_bibl"><title>Bibliography</title></section></toc>