Minn. R. 7011.1910
PERFORMANCE TEST METHODS
Unless another method is approved by the commissioner, an owner or operator required to submit performance tests for a brass or bronze ingot production plant must use the following test methods to demonstrate compliance: A. Method 1 for sample and velocity traverses; B. Method 2 for velocity and volumetric flow rate; C. Method 3 for gas analysis; D. Method 5 for the concentration of filterable particulate matter and the associated moisture content.