1.0 Scope and Application.

1.1 Measured Parameters.

1.2 Applicability.

1.3 Data Quality Objectives.

2.0 Summary of Method.

3.0 Definitions. [Reserved]

4.0 Interferences. [Reserved]

5.0 Safety.

5.1 Disclaimer.

6.0 Equipment and Supplies.

6.1 Apparatus.

6.1.1 Directional Probe.

6.1.2 Differential Pressure Gauges.

7.0 Reagents and Standards. [Reserved]

8.0 Sample Collection, Preservation, Storage, and Transport. [Reserved]

9.0 Quality Control. [Reserved]

10.0 Calibration and Standardization. [Reserved]

11.0 Procedure.

11.1 Selection of Measurement Site.

11.2 Determining the Number of Traverse Points.

11.2.1 Particulate Traverses.

11.2.2 Velocity (Non-Particulate) Traverses.

11.3 Cross-Sectional Layout and Location of Traverse Points.

11.3.1 Circular Stacks.

11.3.2 Stacks With Diameters Greater Than 0.61 m (24 in.).

11.3.3 Stacks With Diameters Equal To or Less Than 0.61 m (24 in.).

11.3.4 Rectangular Stacks.

11.4 Verification of Absence of Cyclonic flow.

11.5 The Alternative Site Selection

11.5.1 Alternative Measurement Site Selection Procedure.

11.5.2 Traverse Points.

11.5.3 Measurement Procedure.

11.5.4 Calibration.

12.0 Data Analysis and Calculations.

12.1 Nomenclature.

12.2 A Rectangular Cross Section..

12.3 If use of the Alternative Site Selection Procedure (Section 11.5 of this method) is required.

13.0 Method Performance. [Reserved]

14.0 Pollution Prevention. [Reserved]

15.0 Waste Management. [Reserved]

16.0 References.

17.0 Tables, Diagrams, flowcharts, and Validation Data.