---
title: "ASTM D4619"
url: "https://mat-cs.com/astm-d4619/"
description: "This practice describes procedures for conducting inspections of the conditions of various linings in operating Flue Gas Desulfurization (FGD) system components."
---

ASTM Standard

# ASTM D4619

Standard Practice for Inspection of Linings in Operating Flue Gas Desulfurization Systems

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## Significance and Use

3.1 Periodic inspections are essential to evaluate lining performance, to detect existing damage potential problems, and to plan scheduled maintenance. The frequency of these inspections may diminish or increase with time depending upon lining performance.

## Scope

1.1 This practice describes procedures for conducting inspections of the conditions of various linings in operating Flue Gas Desulfurization (FGD) system components.