<?xml version="1.0" encoding="UTF-8"?><toc><section id="sec_foreword"><title>Foreword</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>Safety precautions</title></section><section id="sec_5"><label>5</label><title>Sampling apparatus</title><section id="sec_5.1"><label>5.1</label><title>General</title></section><section id="sec_5.2"><label>5.2</label><title>Sampling cylinders</title></section><section id="sec_5.3"><label>5.3</label><title>Connecting pipes</title><section id="sec_5.3.1"><label>5.3.1</label><title>Connecting pipes for non-closed sampling apparatus</title></section><section id="sec_5.3.2"><label>5.3.2</label><title>Connecting pipes for closed sampling apparatus</title><section id="sec_5.3.2.1"><label>5.3.2.1</label><title>Closed sampling apparatus no.1</title></section><section id="sec_5.3.2.2"><label>5.3.2.2</label><title>Closed sampling apparatus no.2</title></section></section></section></section><section id="sec_6"><label>6</label><title>Procedure</title><section id="sec_6.1"><label>6.1</label><title>Non-closed sampling apparatus</title></section><section id="sec_6.2"><label>6.2</label><title>Closed sampling apparatus</title><section id="sec_6.2.1"><label>6.2.1</label><title>Closed sampling apparatus No.1</title></section><section id="sec_6.2.2"><label>6.2.2</label><title>Closed sampling apparatus no.2</title></section></section></section><section id="sec_7"><label>7</label><title>Sampling report</title></section></section><section id="sec_A"><label>Annex A</label><title>System for the disposal of samples of liquefied or gaseous light olefins (informative)</title></section><section id="sec_B"><label>Annex B</label><title>Sequence of operations for filling a sampling cylinder in non-closed sampling apparatus (informative)</title><section id="sec_B.1"><label>B.1</label><title>Figure for non-closed sampling apparatus</title></section><section id="sec_B.2"><label>B.2</label><title>Procedures</title><section id="sec_B.2.1"><label>B.2.1</label><title>General</title></section><section id="sec_B.2.2"><label>B.2.2</label><title>Purging of the sampling line and sampling cylinder</title></section><section id="sec_B.2.3"><label>B.2.3</label><title>Filling</title></section></section></section><section id="sec_C"><label>Annex C</label><title>Sequence of operations for filling a sampling cylinder in closed sampling apparatus no.1 (informative)</title><section id="sec_C.1"><label>C.1</label><title>Figure for closed sampling apparatus no.1</title></section><section id="sec_C.2"><label>C.2</label><title>Procedures</title><section id="sec_C.2.1"><label>C.2.1</label><title>General</title></section><section id="sec_C.2.2"><label>C.2.2</label><title>Purging of the sampling line and sampling cylinder</title></section><section id="sec_C.2.3"><label>C.2.3</label><title>Filling</title></section></section></section><section id="sec_D"><label>Annex D</label><title>Sequence of operations for filling a sampling cylinder in closed sampling apparatus no.2 (informative)</title><section id="sec_D.1"><label>D.1</label><title>Figure for closed sampling apparatus no.2</title></section><section id="sec_D.2"><label>D.2</label><title>Procedures</title><section id="sec_D.2.1"><label>D.2.1</label><title>General</title></section><section id="sec_D.2.2"><label>D.2.2</label><title>Purging of the sampling line and sampling cylinder</title></section><section id="sec_D.2.3"><label>D.2.3</label><title>Filling</title></section></section></section><section id="sec_bibl"><title>Bibliography</title></section></toc>