The test method for determining stack gas velocity and volumetric flow rate using a type S pilot tube is set forth in the Air Resources Board's Method 2, Determination of Stack Gas Velocity and Volumetric Flow Rate (Type S Pilot Tube), adopted June 19, 1983, as last amended July 1, 1999, which is incorporated herein by reference.
Cal. Code Regs. Tit. 17, § 94102
Note: Authority cited: Sections 39600, 39601 and 39607, Health and Safety Code. Reference: Sections 39515, 39516, 39605, 39607 and 40001, Health and Safety Code.