Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in DuPage County, Illinois, 2023

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 DuPage County, Illinois 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 DuPage County facility page.

DuPage County, Illinois, 2023

Air-emissions stack tests in DuPage County, other years

Air-emissions stack tests recorded in DuPage County, Illinois, 2023

DateFacilityKindAgency
2023-12-19MOLEX LLCPassState
2023-12-19MOLEX LLCPassState
2023-12-16ARGONNE NATIONAL LABORATORYPassState
2023-10-25ZCOLO LLC - OAK BROOKPassState
2023-10-02GOOD SAMARITAN HOSPITALPassState
2023-03-08CAROL STREAM VILLAGE OFPassState

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 DuPage county, IL, in 2023. It lists 6 stack tests recorded in 2023.