<?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="body"><title>Hauptteil</title><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>Reagents</title></section><section id="sec_6"><label>6</label><title>Apparatus</title></section><section id="sec_7"><label>7</label><title>Procedure</title><section id="sec_7.1"><label>7.1</label><title>Preparation of the inoculum</title></section><section id="sec_7.2"><label>7.2</label><title>Preparation of the sea sand</title></section><section id="sec_7.3"><label>7.3</label><title>Preparation of test material and reference material</title></section><section id="sec_7.4"><label>7.4</label><title>Starting up the test</title></section><section id="sec_7.5"><label>7.5</label><title>Measurement of the evolved carbon dioxide</title></section><section id="sec_7.6"><label>7.6</label><title>Incubation period</title></section><section id="sec_7.7"><label>7.7</label><title>Termination of the test</title></section></section><section id="sec_8"><label>8</label><title>Calculation</title><section id="sec_8.1"><label>8.1</label><title>Theoretical amount of carbon dioxide evolved by test material</title></section><section id="sec_8.2"><label>8.2</label><title>Percentage biodegradation</title></section></section><section id="sec_9"><label>9</label><title>Expression and interpretation of results</title></section><section id="sec_10"><label>10</label><title>Validity of results</title></section><section id="sec_11"><label>11</label><title>Test report</title></section></section><section id="sec_A"><label>Annex A</label><title>Basic principle of the test (informative)</title></section><section id="sec_B"><label>Annex B</label><title>Example of an apparatus using an electrically heated composting vessel (informative)</title></section><section id="sec_C"><label>Annex C</label><title>Derivation of the formula used to calculate the degree of biodegradation from the amount of carbon dioxide evolved (informative)</title></section><section id="sec_bibl"><title>Bibliography</title></section></toc>