EPA Air · stack tests by state and year

Air-emissions stack tests in Maine, 2023

111Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Maine during 2023; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Maine, 2023

Maine, other years

Air-emissions stack tests recorded in Maine, 2023

Date	Facility	Where	Kind	Agency
2023-02-06	ND OTM LLC	OLD TOWN, Penobscot, ME	Pass	State
2023-02-03	MARITIMES & NORTHEAST PIPELINE, L.L.C.	T35 MD BPP, Hancock, ME	Pass	State
2023-02-03	MARITIMES & NORTHEAST PIPELINE, L.L.C.	T35 MD BPP, Hancock, ME	Pass	State
2023-02-02	MARITIMES & NORTHEAST PIPELINE, L.L.C.	T35 MD BPP, Hancock, ME	Pass	State
2023-02-02	MARITIMES & NORTHEAST PIPELINE, L.L.C.	T35 MD BPP, Hancock, ME	Pass	State
2023-02-02	MARITIMES & NORTHEAST PIPELINE, L.L.C.	BREWER, Penobscot, ME	Pass	State
2023-02-01	MARITIMES & NORTHEAST PIPELINE, L.L.C.	SEARSMONT, Waldo, ME	Pass	State
2023-01-25	PIONEER PLASTICS CORPORATION	AUBURN, Androscoggin, ME	Pass	State
2023-01-12	T&D WOOD ENERGY LLC — high-priority violation on file	SANFORD, York, ME	Fail	State
2023-01-10	ECO MAINE	PORTLAND, Cumberland, ME	Pass	State
2023-01-05	DIODES US MANUFACTURING INCORPORATED	SOUTH PORTLAND, Cumberland, ME	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.