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2540 Solids

2540 Solids

Approved by SM Committee: 1997

[E] - EPA Approved

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Description

The introduction to this section offers definitions for total solids, fixed and volatile solids, and settleable solids. Sources of error and variability in the methods are explained. Sample handling and preservation are given along with a guide for which method to use for particular types of waters. Method 2540B gives the method for total solids dried at 103-105oC; 2540C gives the method for total dissolved solids dried at 180oC; 2540D for total suspended solids dried at 103-105oC; 2540E for fixed and volatile solids ignited at 550oC; 2540F for settleable solids; and, 2540G for total, fixed, and volatile solids in solid and semisolid samples.

Methods

[E] [R] [N] Product
       A. Introduction
[E]      B. Total Solids Dried at 103-105oC
[E]      C. Total Dissolved Solids Dried at 180oC
[E]      D. Total Suspended Solids Dried at 103-105oC
       E. Fixed and Volatile Solids Ignited at 550oC
[E]      F. Settleable Solids
       G. Total, Fixed, and Volatile Solids in Solid and Semisolid Samples