NSPS Notebook
Appendix A-1: Test Methods 1 through 2F -  Subpart Appendix A-1

Applicability: eCFR Appendix A-1 [ecfr.gov]

Test methods for stationary sources
Method 1: Sample and velocity traverses
Method 1A: Sample and velocity traverses for small stacks or ducts
Method 2: Determination of stack gas velocity and volumetric flow rate (Type S pitot tube).
Method 2A: Direct measurement of gas volume through pipes and small ducts.
Method 2B: Determination of exhaust gas volume flow rate from gasoline vapor incinerators.
Method 2C: Determination of gas velocity and volumetric flow rate in small stack or ducts (standard pitot tube).
Method 2D: Measurement of gas volume flow rates in small pipes and ducts.
Method 2E: Determination of landfill gas production flow rate.
Method 2F: Determination of stack gas velocity and volumetric flow rate with three-dimensional probes.
Known Sources in NDEE Jurisdiction:
Date of Original Final Rule: 12/23/71
Amendments Dates: 10/17/2000 (65 FR 61744)
State Regulations: Title 129, Chapter 12, Section 001.86

Previously: Title 129, Chapter 18, Section 001.64
Federal Regulations: 40 CFR 60 Appendix A-1
Related Rules:
Regulations and Federal Registers: eCFR Appendix A-1 [ecfr.gov]
FAQs, Fact Sheets, and Rule Summaries:
Other Information and Resources:
Page Last Updated: 12/30/22