Minn. R. 7011.0530
PERFORMANCE TEST METHODS
Unless another method is approved by the commissioner, any person required to submit performance tests for indirect heating equipment must use the following test methods to demonstrate compliance: A. Method 1 for selection of sampling site and sample traverses; B. Method 3 for gas analysis; C. Method 5 for concentration of filterable particulate matter and the associated moisture content; D. Method 6 for concentration of SO 2 ; E. Method 7 for concentration of NO x ; and F. Method 9 for visual determination of opacity.