<div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">1.1</span>&#x00a0;This specification covers the design and fabrication of metal components for flue gas desulfurization (FGD) equipment, including absorbers, tanks, chimney liners, ductwork and associated equipment that are to be lined for corrosion or abrasion resistance, or both.

</div> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">1.2</span>&#x00a0;<span class="Head3Title cdone">Limitations:&#x00a0;</span>

<div class="SectionLevel3"> <p class="subsec2 cdone2"><span class="Head4 cdone">1.2.1</span>&#x00a0;This specification is intended only to define the design considerations for successful application and performance of protective linings for FGD system components.

</div> <div class="SectionLevel3"> <p class="subsec2 cdone2"><span class="Head4 cdone">1.2.2</span>&#x00a0;It does not cover structural performance of FGD components.

</div> <div class="SectionLevel3"> <p class="subsec2 cdone2"><span class="Head4 cdone">1.2.3</span>&#x00a0;It does not cover use of metallic linings.

</div></div> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">1.3</span>&#x00a0;This specification represents the minimum requirements for lining work. In cases in which the manufacturer's instructions and recommendations differ from this specification, these differences shall be resolved before fabrication is started.

</div> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">1.4</span>&#x00a0;The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

</div> <div class="SectionLevel2"> <p class="caveat cdone2"><span class="Head3 cdone">1.5</span>&#x00a0;This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health and environmental practices and determine the applicability of regulatory limitations prior to use.

</div> <div class="SectionLevel2"> <p class="WTOcaveat cdone2"><span class="Head3 cdone">1.6</span>&#x00a0;This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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