SCAQMD RULE 2012-8 REFERENCE METHODS LAST REVISED 11/11/11 C H A P T E R 8 R E F E R E N C E M E T H O D S PROTOCOL FOR RULE 2012 District Method 1.1 - Sample and velocity traverses for stationary sources District Method 1.2 Sample and velocity traverse for stationary sources with small stacks or ducts District Method 2.1 - Determination of stack gas velocity and volumetric flow rate ( s-type Pitot tube) District Method 2.2 - Direct measurement of gas volume through pipes and small ducts District Method 2.3 - Determination of gas velocity and volumetric flow rate from small stacks or ducts District Method 3.1 - Gas analysis for dry molecular weight and excess air District Method 4.1 - Determination of moisture content in stack gases District Method 7.1 - Determination of nitrogen oxide emissions from stationary sources District Method 100.1 - Instrumental analyzer procedures for continuous gaseous emission sampling EPA Method 19 - Determination of sulfur dioxide removal efficiency and particulate, sulfur dioxide and nitrogen oxides emission rates from electric utility steam generator (40 CFR Part 60 Appendix A)