Memorandum: Approval of New Testing Procedures for Measurement of Stack Gas Flow Rate for Optional Application in Place of Method 2 under 40 CFR Parts 60, 61, and 63 - August 26, 1999.
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Method 2H Determination of Stack Gas Velocity Taking Into Account Velocity Decay Near the Stack Wall 8-3-2017 (PDF)(26 pp, 1 MB)
CFR Promulgated Test Method 2H Determination of Stack Gas Velocity Taking Into Account Velocity Decay Near the Stack Wall.