<?xml version="1.0" encoding="UTF-8"?><toc><section id="foreword.nat"><title>Foreword</title></section><section id="introduction.nat"><title>Introduction</title></section><section id="sub-1"><label>1</label><title>Scope</title></section><section id="sub-2"><label>2</label><title>Normative references</title></section><section id="sub-3"><label>3</label><title>Terms and definitions</title><section id="sub-3.1"><label>3.1</label><title>fiber fragment</title></section><section id="sub-3.2"><label>3.2</label><title>simulated washing</title></section></section><section id="sub-4"><label>4</label><title>Principle</title></section><section id="sub-5"><label>5</label><title>Apparatus</title><section id="sub-5.1"><label>5.1</label><title>General equipment</title></section><section id="sub-5.2"><label>5.2</label><title>Glass materials</title></section><section id="sub-5.3"><label>5.3</label><title>Other consumables</title></section><section id="sub-5.4"><label>5.4</label><title>Reagents</title></section></section><section id="sub-6"><label>6</label><title>Preparation and preservation of test specimens</title><section id="sub-6.1"><label>6.1</label><title>Textile materials</title></section><section id="sub-6.2"><label>6.2</label><title>Working conditions</title></section><section id="sub-6.3"><label>6.3</label><title>Preparation of test specimens</title></section><section id="sub-6.4"><label>6.4</label><title>Test setup</title><section id="sub-6.4.1"><label>6.4.1</label><title>General precautions</title></section><section id="sub-6.4.2"><label>6.4.2</label><title>Construction of the specimen-glass jar combination</title></section><section id="sub-6.4.3"><label>6.4.3</label><title>Construction of the filtration unit</title></section></section><section id="sub-6.5"><label>6.5</label><title>Procedure</title></section></section><section id="sub-7"><label>7</label><title>Evaluation</title></section><section id="sub-8"><label>8</label><title>Test report</title></section><section id="sub-a"><label>Annex A</label><title>Examples for reporting (informative)</title><section id="sub-a.1"><label>A.1</label><title>Example for a result sheet</title></section><section id="sub-a.2"><label>A.2</label><title>Example for grading classifications</title></section></section><section id="sub-annex.bibliography.nat"><title>Bibliography</title></section></toc>