EPA Air · stack tests by state, industry and year

Chemical manufacturing (NAICS 3251): stack tests in Ohio, 2026

27Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Ohio source whose primary industry code is NAICS 3251. A facility filing more than one industry code is counted under the first one on its record.

Chemical manufacturing (NAICS 3251) in Ohio, other years

Other industries in Ohio, 2026

Air-emissions stack tests recorded in Ohio, 2026

Date	Facility	Where	Kind	Agency
2026-05-21	THE ANDERSONS RENEWABLES LLC - GREENVILLE PLANT — high-priority violation on file	GREENVILLE, Darke, OH	Fail	State
2026-05-21	THE ANDERSONS RENEWABLES LLC - GREENVILLE PLANT — high-priority violation on file	GREENVILLE, Darke, OH	Pass	State
2026-05-19	ALTIVIA PETROCHEMICALS, LLC	HAVERHILL, Scioto, OH	Pass	State
2026-05-19	THE ANDERSONS RENEWABLES LLC - GREENVILLE PLANT — high-priority violation on file	GREENVILLE, Darke, OH	Pass	State
2026-05-19	THE ANDERSONS RENEWABLES LLC - GREENVILLE PLANT — high-priority violation on file	GREENVILLE, Darke, OH	Pass	State
2026-05-07	POET BIOREFINING - LEIPSIC — high-priority violation on file	LEIPSIC, Putnam, OH	Fail	State
2026-05-06	POET BIOREFINING - LEIPSIC — high-priority violation on file	LEIPSIC, Putnam, OH	Fail	State
2026-05-05	POET BIOREFINING - LEIPSIC — high-priority violation on file	LEIPSIC, Putnam, OH	Pass	State
2026-02-12	BASF CORPORATION	ELYRIA, Lorain, OH	Pass	State
2026-02-12	BASF CORPORATION	ELYRIA, Lorain, OH	Pass	State
2026-01-16	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-16	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-16	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-16	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-15	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-15	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-14	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-14	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-14	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-14	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-14	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State
2026-01-13	POET BIOREFINING - MARION, LLC	MARION, Marion, OH	Pass	State

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.