EPA Air · stack tests by county and year

Air-emissions stack tests in Porter County, Indiana, 2023

24Stack tests

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 Porter County, Indiana during 2023. 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 Porter County facility page.

Porter County, Indiana, 2023

Air-emissions stack tests in Porter County, other years

Air-emissions stack tests recorded in Porter County, Indiana, 2023

Date	Facility	Kind	Agency
2023-12-13	PVS TECHNOLOGIES INC — high-priority violation on file	Fail	State
2023-12-13	PVS TECHNOLOGIES INC — high-priority violation on file	Pass	State
2023-11-22	PVS TECHNOLOGIES INC — high-priority violation on file	Pass	State
2023-11-14	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-10-13	NLMK INDIANA — high-priority violation on file	Pass	State
2023-08-04	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2023-08-04	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2023-05-25	PVS TECHNOLOGIES INC — high-priority violation on file	Pass	State
2023-05-25	PVS TECHNOLOGIES INC — high-priority violation on file	Fail	State
2023-04-25	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2023-02-01	POWDER PROCESSING TECHNOLOGY LLC — high-priority violation on file	Pass	State

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 Clean Air Act facilities in the EPA air register with stack tests in Porter county, IN, in 2023. It lists 24 stack tests recorded in 2023.