EPA Air · stack tests by county and year

Air-emissions stack tests in Porter County, Indiana, 2021

30Stack 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 2021. 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, 2021

Air-emissions stack tests in Porter County, other years

Air-emissions stack tests recorded in Porter County, Indiana, 2021

Date	Facility	Kind	Agency
2021-12-22	PVS TECHNOLOGIES INC — high-priority violation on file	Pass	State
2021-12-22	PVS TECHNOLOGIES INC — high-priority violation on file	Pass	State
2021-11-24	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2021-11-19	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2021-11-19	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2021-10-28	NLMK INDIANA — high-priority violation on file	Pass	State
2021-10-28	NLMK INDIANA — high-priority violation on file	Pass	State
2021-10-28	NLMK INDIANA — high-priority violation on file	Pass	State
2021-10-27	NLMK INDIANA — high-priority violation on file	Pass	State
2021-10-27	NLMK INDIANA — high-priority violation on file	Pass	State
2021-10-27	NLMK INDIANA — high-priority violation on file	Pass	State
2021-10-27	NLMK INDIANA — high-priority violation on file	Pass	State
2021-10-27	NLMK INDIANA — high-priority violation on file	Pass	State
2021-10-26	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2021-10-06	POWDER PROCESSING TECHNOLOGY LLC — high-priority violation on file	Pass	State
2021-10-06	POWDER PROCESSING TECHNOLOGY LLC — high-priority violation on file	Pass	State
2021-10-05	POWDER PROCESSING TECHNOLOGY LLC — high-priority violation on file	Pass	State
2021-09-27	INDIANA PICKLING & PROCESSING COMPANY	Pass	State
2021-09-21	U S STEEL MIDWEST PLANT	Pass	State
2021-08-16	RIETH RILEY CONSTRUCTION COMPANY OAQ PORTABLE	Pass	State
2021-08-16	RIETH RILEY CONSTRUCTION COMPANY OAQ PORTABLE	Pass	State
2021-08-16	RIETH RILEY CONSTRUCTION COMPANY OAQ PORTABLE	Pass	State
2021-08-16	RIETH RILEY CONSTRUCTION COMPANY OAQ PORTABLE	Pass	State
2021-05-13	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2021-05-13	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2021-05-04	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2021-04-22	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2021-04-22	CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file	Pass	State
2021-03-25	PVS TECHNOLOGIES INC — high-priority violation on file	Pass	State
2021-03-25	PVS TECHNOLOGIES INC — 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 2021. It lists 30 stack tests recorded in 2021.