<ul>

<li><p>A sophisticated instrument for accurate and precise detection of hydrogen sulfide in Liquified Petroleum Gases (LPG).</p></li>
<li><p>The sensitivity of the test is about 4 mg/m<sup>3</sup> (0.15 to 0.2 grain of hydrogen sulfide per 100 ft<sup>3</sup> of gas.
</p></li>
</ul>