Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Delaware County, Ohio, 2024

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Delaware County, Ohio during 2024. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Delaware County facility page.

Delaware County, Ohio, 2024

Air-emissions stack tests in Delaware County, other years

Air-emissions stack tests recorded in Delaware County, Ohio, 2024

DateFacilityKindAgency
2024-07-24MAR-ZANE PLANT #1PassState
2024-05-29MAR-ZANE PLANT #1FailState
2024-05-29MAR-ZANE PLANT #1PassState
2024-05-07PPG INDUSTRIES - DELAWAREPassState
2024-05-07PPG INDUSTRIES - DELAWAREPassState
2024-05-07PPG INDUSTRIES - DELAWAREPassState
2024-05-07PPG INDUSTRIES - DELAWAREPassState
2024-04-17LIBERTY CASTING INC. — high-priority violation on filePassState
2024-04-17LIBERTY CASTING INC. — high-priority violation on filePassState
2024-04-17LIBERTY CASTING INC. — high-priority violation on filePassState
2024-04-17LIBERTY CASTING INC. — high-priority violation on filePassState
2024-04-04WORTHINGTON CYLINDER CORPORATIONPassState
2024-03-21LIBERTY CASTING INC. — high-priority violation on fileFailState

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

What this page shows

This page covers stack tests for Clean Air Act facilities in the EPA air register in Delaware county, OH, for 2024. It lists 13 stack tests recorded in 2024.