On February 1, 2022 the US Environmental Protection Agency (USEPA) announced new sampling and analytical methods for stationary sources - Other Test Method 46 (OTM-46) a measurement of Polychlorinated Dibenzo-p-Dioxins/Polychlorinated Dibenzofurans (Dioxins/Furans), Polychlorinated Biphenyls (PCB), and Polycyclic Aromatic Hydrocarbons (PAH).